Prof.Dr.Seyfettin KÖKLÜ

1: Köklü S, Köklü H. Rectal Candidiasis Mimicking Ulcerative Colitis in an
Immunocompetent Patient. Inflamm Bowel Dis. 2019 Oct 18;25(11):e142. doi:
10.1093/ibd/izz201. PubMed PMID: 31504543.

2: Köklü S, Köklü H, Çiçek N. A Patient With Right Infrascapular Swelling. Clin
Gastroenterol Hepatol. 2019 Aug 8. pii: S1542-3565(19)30850-X. doi:
10.1016/j.cgh.2019.07.061. [Epub ahead of print] PubMed PMID: 31401363.

3: Ozturk O, Koklu H, Aksoy EK, Koklu S. A RARE CAUSE OF GASTROINTESTINAL
BLEEDING IN AN ELDERLY PATIENT WITH MULTIPLE-ORGAN DYSFUNCTION SYNDROME.
Gastroenterol Nurs. 2018 Sep/Oct;41(5):446-448. doi:
10.1097/SGA.0000000000000403. PubMed PMID: 30272607.

4: Koklu H, Ozturk O, Kahramanoglu Aksoy E, Sokmensuer C, Koklu S. A CASE WITH
SEVERE ACUTE COLITIS FOLLOWING COLONOSCOPY. Gastroenterol Nurs. 2017
Sep/Oct;40(5):421-423. doi: 10.1097/SGA.0000000000000298. PubMed PMID: 28957973.

5: Yılmaz B, Aksoy E, Köklü S, Özmen M. ILEUS DUE TO EXTENSIVE AIR INSUFFLATION
WITH ENDOSCOPIC RETROGRADE CHOLANGIO-PANCREATOGRAPHY. Gastroenterol Nurs. 2017
Jul/Aug;40(4):321-323. doi: 10.1097/SGA.0000000000000160. PubMed PMID: 28746118.

6: Özdeniz İ, İdilman İS, Köklü S, Hamaloğlu E, Özmen M, Akata D, Karçaaltıncaba
M. Dual-energy CT characteristics of colon and rectal cancer allows
differentiation from stool by dual-source CT. Diagn Interv Radiol. 2017
Jul-Aug;23(4):251-256. doi: 10.5152/dir.2017.16225. PubMed PMID: 28440784; PubMed
Central PMCID: PMC5508947.

7: Akbal E, Koçak E, Köklü S, Ergül B, Akyürek Ö, Yılmaz FM. Serum Toll-Like
Receptor-2, Toll-Like Receptor-4 Levels in Patients with HBeAg-Negative Chronic
Viral Hepatitis B. Viral Immunol. 2017 May;30(4):278-282. doi:
10.1089/vim.2016.0131. Epub 2017 Apr 17. PubMed PMID: 28414577; PubMed Central
PMCID: PMC5421507.

8: Koçak E, Akbal E, Beyazit Y, Ergül B, Karataş A, Köklü S, Ekşioğlu HM. Celiac
disease prevalence in a large series of patients with Behçet's disease. Int J
Rheum Dis. 2018 Dec;21(12):2146-2150. doi: 10.1111/1756-185X.12990. Epub 2017 Apr
11. PubMed PMID: 28397343.

9: Ozturk O, Koklu S, Koklu H. RECURRENT GASTRIC POLYPOSIS IN A PATIENT USING
ANTIEPILEPTIC DRUGS FOR A LONG TIME. Gastroenterol Nurs. 2017
Mar/Apr;40(2):152-153. doi: 10.1097/SGA.0000000000000281. PubMed PMID: 28362663.

10: Köklü H, Kahramanoğlu Aksoy E, Öztürk Ö, Göçmen R, Köklü S. An unusual
neurological complication in a patient with ulcerative colitis. Turk J
Gastroenterol. 2017 Mar;28(2):137-139. doi: 10.5152/tjg.2017.16645. Epub 2017 Jan
30. PubMed PMID: 28134129.

11: Köklü S, Köksal I, Akarca US, Balkan A, Güner R, Demirezen A, Sahin M, Akhan
S, Ozaras R, Idilman R.  Daclatasvir plus asunaprevir dual therapy for chronic
HCV genotype 1b infection: results of Turkish early access program. Ann Hepatol.
2017 Jan-Feb 2017;16(1):71-76. doi: 10.5604/16652681.1226817. PubMed PMID:
28051795.

12: Köklü S, Köksal I, Salih Akarca U, Balkan A, Güner R, Demirezen A, Sahin M,
Akhan S, Ozaras R, Idilman R. Daclatasvir Plus Asunaprevir Dual Therapy for
Chronic HCV Genotype 1b Infection: Results of Turkish Early Access Program. Ann
Hepatol. 2017 Jan - Feb;16(1):71-76. doi: 10.5604/16652681.1226817. PubMed PMID:
31155107.

13: Köklü H, Aksoy EK, Öztürk Ö, Bayraktar Y, Köklü S. A rare cause of severe
gastrointestinal bleeding in a thrombocytopenic patient with acute myeloid
leukemia. Turk J Gastroenterol. 2017 Jan;28(1):63-64. doi: 10.5152/tjg.2016.0419.
Epub 2016 Dec 19. PubMed PMID: 27991857.

14: Ozturk O, Koklu S, Sokmensuer C, Uner H. A GIANT BENIGN POLYP OF THE STOMACH.
Gastroenterol Nurs. 2016 Nov/Dec;39(6):478-480. Review. PubMed PMID: 27922519.

15: Tseveldorj N, Koklu S, Katipoglu K. An Unusual Cause of Gastric Linitis
Plastica. Gastroenterology. 2016 Dec;151(6):e10-e11. doi:
10.1053/j.gastro.2016.07.019. Epub 2016 Nov 1. PubMed PMID: 27810370.

16: Aksoy EK, Koklu S, Ozturk O, Koklu H, Karcaaltincaba M, Sezgin O. Hereditary
angioedema: A rare cause of pancreatitis. Clin Res Hepatol Gastroenterol. 2016
Sep;40(4):e48-9. doi: 10.1016/j.clinre.2016.02.002. Epub 2016 Aug 27. PubMed
PMID: 27576199.

17: Sperl J, Horvath G, Halota W, Ruiz-Tapiador JA, Streinu-Cercel A, Jancoriene
L, Werling K, Kileng H, Koklu S, Gerstoft J, Urbanek P, Flisiak R, Leiva R,
Kazenaite E, Prinzing R, Patel S, Qiu J, Asante-Appiah E, Wahl J, Nguyen BY, Barr
E, Platt HL. Efficacy and safety of elbasvir/grazoprevir and sofosbuvir/pegylated
interferon/ribavirin: A phase III randomized controlled trial. J Hepatol. 2016
Dec;65(6):1112-1119. doi: 10.1016/j.jhep.2016.07.050. Epub 2016 Aug 16. PubMed
PMID: 27542322.

18: Ozturk O, Koklu S, Basar O, Purnak T, Yuksel O. AN UNUSUAL CAUSE OF ANEMIA IN
AN ELDER: ISOLATED SPLENIC HEMANGIOMATOSIS AND HEMORRHAGIC TELANGIECTASIA.
Gastroenterol Nurs. 2016 Jul-Aug;39(4):317-8. doi: 10.1097/SGA.0000000000000244.
PubMed PMID: 27467061.

19: Koklu H, Koklu S, Ozturk O, Kahramanoglu Aksoy E, Karcaaltıncaba M,
Sokmensuer C. Cirrhosis Related to Hepatic Sarcoidosis in Older Adults. J Am
Geriatr Soc. 2016 Aug;64(8):1747-8. doi: 10.1111/jgs.14277. Epub 2016 Jul 23.
PubMed PMID: 27448951.

20: Ozturk O, Koklu S, Basar O, Purnak T, Yuksel O. CROHN DISEASE PRESENTED WITH
A GIANT COLONIC MASS. Gastroenterol Nurs. 2016 May-Jun;39(3):235-7. doi:
10.1097/SGA.0000000000000249. PubMed PMID: 27258465.

21: Koklu H, Koklu S, Ozturk O. Right- versus Conventional Left-Sided Starting
Position for Colonoscopy: The Issues to Be Considered. Am J Gastroenterol. 2016
Jun;111(6):897. doi: 10.1038/ajg.2016.62. PubMed PMID: 27249984.

22: Koçak E, Akbal E, Köklü S, Ergül B, Can M. The Colonic Tissue Levels of TLR2,
TLR4 and Nitric Oxide in Patients with Irritable Bowel Syndrome. Intern Med.
2016;55(9):1043-8. doi: 10.2169/internalmedicine.55.5716. Epub 2016 May 1. PubMed
PMID: 27150852.

23: Göktaş Z, Köklü S, Dikmen D, Öztürk Ö, Yılmaz B, Asıl M, Korkmaz H, Tuna Y,
Kekilli M, Karamanoğlu Aksoy E, Köklü H, Demir A, Köklü G, Arslan S. Nutritional
habits in functional dyspepsia and its subgroups: a comparative study. Scand J
Gastroenterol. 2016 Aug;51(8):903-7. doi: 10.3109/00365521.2016.1164238. Epub
2016 Apr 28. PubMed PMID: 27124324.

24: Yilmaz B, Koklu S, Buyukbayram H, Yalçin K, Korkmaz U, Posul E, Can G, Kurt
M. Chronic hepatitis B associated with hepatic steatosis, insulin resistance,
necroinflammation and fibrosis. Afr Health Sci. 2015 Sep;15(3):714-8. doi:
10.4314/ahs.v15i3.3. PubMed PMID: 26957957; PubMed Central PMCID: PMC4765474.

25: Koklu H, Koklu S, Cinar H. Helicobacter pylori and metabolic syndrome. Turk J
Gastroenterol. 2016 Mar;27(2):201. doi: 10.5152/tjg.2015.150509. Epub 2016 Feb 5.
PubMed PMID: 26853791.

26: Köklü H, Köklü S, Öztürk Ö. DR-70 immunoassay in gastric cancer. Turk J
Gastroenterol. 2016 Jan;27(1):88. doi: 10.5152/tjg.2015.150494. PubMed PMID:
26728865.

27: Aksoy EK, Koklu S, Karcaaltıncaba M, Sahin TT. Image of the month: A Red Ball
at the Base of the Cecum. Am J Gastroenterol. 2015 Dec;110(12):1652. doi:
10.1038/ajg.2015.102. PubMed PMID: 26673488.

28: Kahramanoglu Aksoy E, Koklu S, Öztürk Ö, Karcaaltincaba M. An Unusual Cause
of Recurrent Acute Pancreatitis. Pancreas. 2016 Jan;45(1):e11-2. doi:
10.1097/MPA.0000000000000422. PubMed PMID: 26658042.

29: Altan E, Köklü S, Özmen M, Büyükeren B, Gedikoğlu G. Adenomyoma of the
duodenum. Am J Gastroenterol. 2015 Aug;110(8):1141. doi: 10.1038/ajg.2014.407.
PubMed PMID: 26263354.

30: Yilmaz B, Roach EC, Koklu S. An Unusual Cause of a High Carbonhydrate Antigen
19-9 Level in an Elderly Individual: Polycystic Liver Disease. J Am Geriatr Soc.
2015 Jul;63(7):1487-8. doi: 10.1111/jgs.13541. PubMed PMID: 26189862.

31: Aksoy EK, Koklu S. Albendazole-induced cirrhosis decompensation and
pancytopenia. Ann Pharmacother. 2015 Aug;49(8):945-6. doi:
10.1177/1060028015590178. Epub 2015 Jun 5. PubMed PMID: 26048870.

32: Koklu S, Gulsen MT, Tuna Y, Koklu H, Yuksel O, Demir M, Guner R, Dogan Z,
Kucukazman M, Poyrazoglu OK, Biyik M, Ozturk NA, Aydogan T, Coban S, Kocaman O,
Sapmaz F, Gokturk SH, Karaca C, Demirezer A, Tanoglu A, Yildirim B, Altinbas A,
Atak BM, Cosar AM, Alkan E; Other collaborators. Differences in nephrotoxicity
risk and renal effects among anti-viral therapies against hepatitis B. Aliment
Pharmacol Ther. 2015 Feb;41(3):310-9. doi: 10.1111/apt.13036. Epub 2014 Dec 4.
PubMed PMID: 25982037.

33: Yilmaz B, Roach EC, Koklu S, Aydin O, Unlu O, Kilic YA. Air leak syndrome
after endoscopic retrograde cholangiopancreatography: a rare and fatal
complication. World J Gastroenterol. 2015 Apr 21;21(15):4770-2. doi:
10.3748/wjg.v21.i15.4770. PubMed PMID: 25914490; PubMed Central PMCID:
PMC4402328.

34: Ozturk O, Koklu S. An unusual foreign body in the ileum. Gastrointest Endosc.
2015 May;81(5):1302-3. doi: 10.1016/j.gie.2014.12.060. PubMed PMID: 25864905.

35: Batgi H, Akbal E, Koçak E, Akyürek Ö, Köklü S, Dönmez M, Güneş F. Treatment
of hemorrhagic gastritis by Ankaferd blood stopper versus Omeprazole:
experimental randomized rat models. Wien Klin Wochenschr. 2016 Dec;128(Suppl
8):559-565. doi: 10.1007/s00508-015-0762-2. Epub 2015 Apr 10. PubMed PMID:
25860852.

36: Yüksel E, Akbal E, Koçak E, Akyürek Ö, Köklü S, Ekiz F, Yılmaz B. The
relationship between visfatin, liver inflammation, and acute phase reactants in
chronic viral hepatitis B. Wien Klin Wochenschr. 2016 Sep;128(17-18):658-62. doi:
10.1007/s00508-015-0723-9. Epub 2015 Apr 9. PubMed PMID: 25854905.

37: Bulus H, Tas A, Koklu S. Gastrointestinal stromal tumor in Turcot syndrome.
Gastroenterol Nurs. 2015 Mar-Apr;38(2):126-7. doi: 10.1097/SGA.0000000000000101.
PubMed PMID: 25831251.

38: Ozturk O, Koklu S, Peynircioglu B, Eldem G. An unusual cause of massive
gastrointestinal bleeding. Dig Liver Dis. 2015 Jul;47(7):e11. doi:
10.1016/j.dld.2015.03.008. Epub 2015 Mar 17. PubMed PMID: 25818252.

39: Ozturk O, Koklu S, Basar O, Haznedaroglu IC. Severe radiation esophagitis
successfully treated with Ankaferd hemostat. Gastrointest Endosc. 2015
Apr;81(4):1048-9. doi: 10.1016/j.gie.2014.10.007. PubMed PMID: 25805479.

40: Koçak E, Akbal E, Köklü S, Adam G. Evaluation of serum L-FABP levels in
patients with acute pancreatitis. Ulus Travma Acil Cerrahi Derg. 2015
Jan;21(1):39-43. doi: 10.5505/tjtes.2015.49879. PubMed PMID: 25779711.

41: Ozturk O, Basar O, Koklu S, Yuksel O, Purnak T, Sokmensuer C. An unusual
presentation of malignant melanoma: amelanotic gastric metastasis. Am J
Gastroenterol. 2015 Mar;110(3):476. doi: 10.1038/ajg.2014.434. PubMed PMID:
25743721.

42: Ozturk O, Koklu S, Veisalov M. An unusual cause of giant gastric ulcer. Acta
Gastroenterol Belg. 2014 Dec;77(4):437. PubMed PMID: 25682636.

43: Yıldız P, Yilmaz B, Yıldız M, Dizen H, Koklu S, Şimşek G. Giant gastric
tubulovillous adenoma: a rare upper gastrointestinal bleeding. Acta Gastroenterol
Belg. 2014 Dec;77(4):435-6. PubMed PMID: 25682635.

44: Buldukoglu OC, Koklu S, Koklu H, Uluoglu O, Kulduk G. Intestinal perforation
as the initial presentation of polyarteritis nodosa in an older adult. Geriatr
Gerontol Int. 2015 Jan;15(1):121-2. doi: 10.1111/ggi.12266. PubMed PMID:
25583391.

45: Ozturk O, Koklu S, Kurtulan O. Multiple masses in the colon of a patient with
ulcerative colitis. Gastroenterology. 2015 Feb;148(2):e7-8. doi:
10.1053/j.gastro.2014.08.007. Epub 2014 Dec 18. PubMed PMID: 25529806.

46: Akbal E, Koçak E, Akyürek Ö, Köklü S, Batgi H, Şenes M. Liver fatty
acid-binding protein as a diagnostic marker for non-alcoholic fatty liver
disease. Wien Klin Wochenschr. 2016 Jan;128(1-2):48-52. doi:
10.1007/s00508-014-0680-8. Epub 2014 Dec 2. PubMed PMID: 25447969.

47: Dökmeci A, Ustündağ Y, Hulagu S, Tuncer I, Akdoğan M, Demirsoy H, Köklü S,
Güzelbulut F, Doğan I, Demir A, Akarsu M, Yüceyar H, Ozdoğan OC, Ozdener F,
Erdoğan S. The association between insulin resistance and hepatic fibrosis in
patients with chronic hepatitis C: an observational, multicenter study in Turkey.
Turk J Gastroenterol. 2014 Oct;25(5):546-52. doi: 10.5152/tjg.2014.7829. PubMed
PMID: 25417617.

48: Öztürk Ö, Köklü S, Yüksel O. Constipation: an unusual presentation of
ulcerative pancolitis in an elderly adult. J Am Geriatr Soc. 2014
Oct;62(10):2013-4. doi: 10.1111/jgs.13046. PubMed PMID: 25333553.

49: Yılmaz B, Köklü S, Yüksel O, Arslan S. Serum beta 2-microglobulin as a
biomarker in inflammatory bowel disease. World J Gastroenterol. 2014 Aug
21;20(31):10916-20. doi: 10.3748/wjg.v20.i31.10916. PubMed PMID: 25152594; PubMed
Central PMCID: PMC4138471.

50: Yilmaz B, Roach EC, Koklu S. Infliximab leading to autoimmune hepatitis: an
increasingly recognized side effect. Dig Dis Sci. 2014 Oct;59(10):2602-3. doi:
10.1007/s10620-014-3323-z. PubMed PMID: 25146841.

51: Coban S, Kekilli M, Köklü S. Approach and management of patients with chronic
hepatitis B and C during the course of inflammatory bowel disease. Inflamm Bowel
Dis. 2014 Nov;20(11):2142-50. doi: 10.1097/MIB.0000000000000126. Review. PubMed
PMID: 25072501.

52: Köklü S. Antiviral therapy is not enough to prevent hepatocellular carcinoma
development in patients with chronic hepatitis B. Turk J Gastroenterol. 2014
Feb;25(1):124. doi: 10.5152/tjg.2014.0005. PubMed PMID: 24918150.

53: Ozkan H, Arslan M, Kabacam G, Tas A, Ozgür G, Kaygusuz G, Ekinci C,
Serdaroğlu A, Köklü S. Chronic hepatitis in a patient with rigid spine myopathy:
cause or just an association? Turk J Gastroenterol. 2014 Feb;25(1):113-5. doi:
10.5152/tjg.2014.3580. PubMed PMID: 24918145.

54: Sarikaya M, Köklü S, Ergül B, Doğan Z. Cholangitis resulting from a
fragmented plastic biliary stent. Am Surg. 2014 Mar;80(3):E88-9. Review. PubMed
PMID: 24666854.

55: Buluş H, Yavuz A, Aydın A, Köklü S, Coşkun A. Pancreatic lymphoma presenting
with acute pancreatitis. Turk J Gastroenterol. 2013;24(6):569-71. PubMed PMID:
24623303.

56: Koklu S, Gulsen MT, Tuna Y, Koklu H, Yuksel O, Yilmaz B, Karaca C, Ataseven
H, Guner R, Kucukazman M, Kockar C, Demir M, Poyrazoglu OK, Ibis M, Purnak T,
Etgul S, Alkan E, Coban S, Gokturk S, Biyik M, Baykal O, Basar O, Koklu N, Tatar
G, Simsek H. Lamivudine treatment failure risks in chronic hepatitis B patients
with low viral load. Digestion. 2013;88(4):266-71. PubMed PMID: 24356645.

57: Buluş H, Koyuncu A, Taş A, Köklü S, Soy D, Coşkun A. Caecal diverticulitis
mimicking acute appendicitis. Turk J Gastroenterol. 2013;24(4):371-2. PubMed
PMID: 24254275.

58: Yilmaz B, Köklü S, Gedikoglu G. Hepatic mass caused by Fasciola hepatica: a
tricky differential diagnosis. Am J Trop Med Hyg. 2013 Dec;89(6):1212-3. doi:
10.4269/ajtmh.13-0085. Epub 2013 Sep 30. PubMed PMID: 24080633; PubMed Central
PMCID: PMC3854903.

59: Koçak E, Akbal E, Taş A, Köklü S, Karaca G, Can M, Kösem B, Üstün H.
Anti-inflammatory efficiency of Ankaferd blood stopper in experimental distal
colitis model. Saudi J Gastroenterol. 2013 May-Jun;19(3):126-30. doi:
10.4103/1319-3767.111955. PubMed PMID: 23680710; PubMed Central PMCID:
PMC3709375.

60: Akbal E, Köklü S, Astarcı HM, Koçak E, Karaca G, Beyazıt Y, Topcu G, Acar B,
Ergün D, Haznedaroğlu İC. Oral high-dose ankaferd administration effects on
gastrointestinal system. Int J Med Sci. 2013;10(4):451-6. doi: 10.7150/ijms.4875.
Epub 2013 Mar 2. PubMed PMID: 23471574; PubMed Central PMCID: PMC3590606.

61: Akbal E, Demirci S, Koçak E, Köklü S, Başar O, Tuna Y. Alterations of
platelet function and coagulation parameters during acute pancreatitis. Blood
Coagul Fibrinolysis. 2013 Apr;24(3):243-6. doi: 10.1097/MBC.0b013e32835aef51.
PubMed PMID: 23425662.

62: Biyikoğlu I, Köklü S, Filik L, Ergül B, Ozcan N, Köseoğlu S. An unusual
complication of nasogastric tube. Acta Gastroenterol Belg. 2012 Dec;75(4):464-5.
PubMed PMID: 23402096.

63: Yılmaz B, Köklü S, Kulaç I. Relapse of multiple myeloma presenting with
melena. Dig Endosc. 2013 Mar;25(2):208-9. doi: 10.1111/den.12009. Epub 2012 Dec
17. PubMed PMID: 23368727.

64: Ergül B, Koçak E, Taş A, Filik L, Köklü S. Bismuth, moxifloxacin,
tetracycline, lansoprazole quadruple first line therapy for eradication of H.
pylori: A prospective study. Clin Res Hepatol Gastroenterol. 2013
Nov;37(5):527-9. doi: 10.1016/j.clinre.2012.10.014. Epub 2013 Jan 9. PubMed PMID:
23312494.

65: Koçak E, Kılıç F, Akbal E, Taş A, Köklü S, Filik L, Bıyıkoğlu I, Ergül B. The
usefulness of ulcer size and location in the differential diagnosis of benign and
malignant gastric ulcer. Wien Klin Wochenschr. 2013 Jan;125(1-2):21-5. doi:
10.1007/s00508-012-0309-8. Epub 2013 Jan 5. PubMed PMID: 23292642.

66: Bulus H, Tas A, Morkavuk B, Koklu S, Soy D, Coskun A. Can the efficiency of
modified Alvarado scoring system in the diagnosis acute appendicitis be increased
with tenesmus? Wien Klin Wochenschr. 2013 Jan;125(1-2):16-20. doi:
10.1007/s00508-012-0308-9. Epub 2013 Jan 5. PubMed PMID: 23292641.

67: Akbal E, Köklü S, Koçak E, Cakal B, Güneş F, Başar O, Tuna Y, Senes M. Liver
fatty acid-binding protein is a diagnostic marker to detect liver injury due to
chronic hepatitis C infection. Arch Med Res. 2013 Jan;44(1):34-8. doi:
10.1016/j.arcmed.2012.11.007. Epub 2013 Jan 3. PubMed PMID: 23291381.

68: Sarikaya M, Koçak E, Köklü S, Akbal E. Acute gastric obstruction resulting
from gallstone-induced bezoar. Am Surg. 2012 Dec;78(12):E529. PubMed PMID:
23265111.

69: Demirci S, Akbal E, Koçak E, Taş A, Köklü S. Adipokine levels in the course
of mild biliary pancreatitis. Ann Nutr Metab. 2012;61(4):271-4. doi:
10.1159/000336288. Epub 2012 Dec 3. PubMed PMID: 23208155.

70: Aksoy EK, Yilmaz B, Köklü S. Autoimmune hepatitis/primary biliary cirrhosis
overlap syndrome developed in a patient with vitiligo and Hashimoto thyroiditis.
Eur J Gastroenterol Hepatol. 2013 Jan;25(1):121-2. doi:
10.1097/MEG.0b013e328359493e. PubMed PMID: 23196727.

71: Köklü S, Tuna Y, Gülşen MT, Demir M, Köksal AŞ, Koçkar MC, Aygün C, Coban S,
Ozdil K, Ataseven H, Akin E, Pürnak T, Yüksel I, Ataseven H, Ibiş M, Yildirim B,
Nadir I, Küçükazman M, Akbal E, Yüksel O, Başar O, Alkan E, Baykal O. Long-term
efficacy and safety of lamivudine, entecavir, and tenofovir for treatment of
hepatitis B virus-related cirrhosis. Clin Gastroenterol Hepatol. 2013
Jan;11(1):88-94. doi: 10.1016/j.cgh.2012.10.003. Epub 2012 Oct 9. PubMed PMID:
23063679.

72: Beyazit Y, Sayilir A, Koklu S, Torun S, Suvak B, Tas A, Purnak T, Kalkan IH,
Yesil Y, Ibis M. Serum nitric oxide levels in patients with benign and malignant
biliary disease: a prospective single center study. J Clin Gastroenterol. 2013
Mar;47(3):258-63. doi: 10.1097/MCG.0b013e318263ccd1. PubMed PMID: 23059408.

73: Bulus H, Koçak E, Yavuz A, Akkoca M, coşkun A, Köklü S. Intestinal
perforation as the initial presentation of Wegener's granulomatosis. Rheumatol
Int. 2013 Nov;33(11):2957-8. doi: 10.1007/s00296-012-2517-y. Epub 2012 Sep 7.
PubMed PMID: 22955877.

74: Başar O, Akbal E, Köklü S, Koçak E, Tuna Y, Ekiz F, Gültuna S, Yιlmaz FM,
Aydoğan T. A novel appetite peptide, nesfatin-1 in patients with non-alcoholic
fatty liver disease. Scand J Clin Lab Invest. 2012 Oct;72(6):479-83. doi:
10.3109/00365513.2012.699097. Epub 2012 Sep 5. PubMed PMID: 22950627.

75: Tas A, Koklu S, Cakal B, Yildiz F, Aktas S. Psoriatic colitis mimicking
ulcerative proctitis in an elderly patient. Chin Med J (Engl). 2012
Jun;125(11):2080. PubMed PMID: 22884084.

76: Yılmaz B, Köklü S, Bayraktar Y. Ulcerative colitis presenting with
Budd-Chiari syndrome. J Crohns Colitis. 2013 Mar;7(2):e74-5. doi:
10.1016/j.crohns.2012.07.005. Epub 2012 Jul 31. PubMed PMID: 22854289.

77: Coban Ş, Akbal E, Köklü S, Köklü G, Ulaşlı MA, Erkeç S, Aktaş B, Yüksel O,
Koçak E, Erdem HR. Clinical trial: transcutaneous interferential electrical
stimulation in individuals with irritable bowel syndrome - a prospective
double-blind randomized study. Digestion. 2012;86(2):86-93. doi:
10.1159/000338301. Epub 2012 Jul 27. PubMed PMID: 22846190.

78: Tas A, Köklü S, Kocak E, Akbal E, Ergul B. An unusual cause of acute
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79: Purnak T, Beyazit Y, Ibis M, Koklu S, Efe C, Ozaslan E, Ciftci A, Tenlik I.
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80: Palabıyıkoğlu M, Ormeci N, Ekiz F, Beyler AR, Erdem H, Dökmeci A, Ozkan H,
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81: Özkan H, Erdal H, Tutkak H, Karaeren Z, Yakut M, Yüksel O, Köklü S. Letter of
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82: Akbal A, Akbal E, Selçuk B, Kurtaran A, Köklü S, Ersöz M, Akyüz M. How does
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83: Buluş H, Köklü S, Yavuz A, Akkoca M, Coşkun A. Bowel obstruction caused by
repeated upper GI endoscopy-induced pneumatosis cystoides intestinalis.
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84: Bulus H, Ergül B, Morkavuk B, Yavuz A, Akkoca M, Yildiz M, Köklü S. A very
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85: Buluş H, Akkoca M, Coskun A, Koçak E, Köklü S. Benign ovarian cyst presenting
as a huge intraabdominal mass in an elderly postmenopausal woman. J Am Geriatr
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86: Yavuz A, Buluş H, Akkoca M, Özayar E, Ünlü EN, Akbal E, Köklü S. Systemic
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87: Simsek G, Bulus H, Tas A, Koklu S, Yilmaz SB, Coskun A. An unusual cause of
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88: Koåak E, Ergül B, Akbal E, Köklü S, Karakayali AS. Subcapsular hepatic
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89: Bulus H, Ergül B, Morkavuk B, Yavuz A, Akkoca M, Yildiz M, Köklü S. A very
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90: Yıldız M, Karakayalı AŞ, Taş A, Yıldız P, Yıldırım AC, Buluş H, Köklü S.
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91: Buluş H, Yavuz A, Yíldírím AC, Yíldíz M, Köklü S, Akbal E. A giant breast
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92: Tokat AO, Karasu S, Barlas AM, Akgün YA, Köklü S. Esophageal reconstruction
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93: Tuna Y, Taş A, Köklü S. Propofol-induced myoclonic seizures after endoscopic
procedure in an elderly woman. Chin Med J (Engl). 2012 Mar;125(5):785. PubMed
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94: Pirti O, Koçak E, Güler O, Koçak G, Altunkaya C, Caydere M, Köklü S. An
unusual cause of unilateral hydronephrosis: invasive colonic amebiasis. Ren Fail.
2012;34(6):798-800. doi: 10.3109/0886022X.2012.673467. Epub 2012 Apr 10. PubMed
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95: Akbal E, Koçak E, Taş A, Yüksel E, Köklü S. Visfatin levels in nonalcoholic
fatty liver disease. J Clin Lab Anal. 2012 Feb;26(2):115-9. doi:
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96: Ergül B, Koçak E, Köklü S. Arthritis as a presenting symptom of subclinical
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97: Koçak E, Ergül B, Köklü S, Akbal E. Ectopıc spleen presentıng as an abdomınal
mass ın a patıent wıth Crohn's dısease. J Crohns Colitis. 2012 Apr;6(3):394-5.
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98: Koçak E, Köklü S, Başar O, Yilmaz FM, Ciftçi A, Kaya C, Cesur S, Demirci S,
Akbal E, Taş A. Evaluation of serum TWEAK concentration in patients with acute
pancreatitis. Scand J Clin Lab Invest. 2012 May;72(3):192-6. doi:
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99: Akbal E, Batgi H, Koçak E, Canatan T, Köklü S. Low-dose amiodarone-induced
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100: Köklü S, Akkuş MA, Taş A, Tufan Z, Tanrikulu Y, Kekilli M, Koçak E, Gönültaş
MA, Yimaz Ö. Recurrent pyogenic cholangitis in a case with congenital biliary
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101: Tas A, Köklü S, Yüksel I, Başar O, Akbal E, Cimbek A. No significant
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102: Ergül B, Koçak E, Akbal E, Köklü S, Astarci HM. Pegylated interferon
associated lichen planus at the injection site. Acta Gastroenterol Belg. 2011
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103: Bulus H, Yildiz M, Alimogullari M, Simşek G, Köklü S, Koçak E. Gastric
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104: Buluş H, Koyuncu A, Yildiz M, Coşkun A, Köklü S, Akbal E. Chronic myeloid
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105: Beyazit Y, Koklu S, Tas A, Purnak T, Sayilir A, Kurt M, Turhan T, Celik T,
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disease severity in ulcerative colitis. J Crohns Colitis. 2012 Feb;6(1):102-7.
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106: Taş A, Koklu S, Beyazit Y, Akbal E, Kocak E, Celik H, Bıyıkoğlu I. The
endoscopic course of scattered white spots in the descending duodenum: a
prospective study. Gastroenterol Hepatol. 2012 Feb;35(2):57-64. doi:
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107: Tas A, Köklü S, Celik H. Loss of body hair as a side effect of albendazole.
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108: Tas A, Koklu S. Unusual cause of common bile duct dilatation in asymptomatic
elderly patient: right hepatic artery syndrome. Ann Hepatol. 2012
Jan-Feb;11(1):150-1. PubMed PMID: 22166578.

109: Taş A, Köklü S, Beyazit Y, Kurt M, Sayilir A, Yeşil Y, Çelik H. Thyroid
hormone levels predict mortality in intensive care patients with cirrhosis. Am J
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110: Ormeci N, Bölükbaş F, Erden E, Coban S, Ekiz F, Erdem H, Palabıyıkoğlu M,
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for chronic delta hepatitis: 12 versus 24 months. Hepatogastroenterology. 2011
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111: Kaya G, Koçak E, Akbal E, Taş A, Köklü S. Comparison of the possible risk
factors of bone mineral density in subjects with ulcerative colitis and healthy
subjects. South Med J. 2011 Nov;104(11):747-51. doi:
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112: Tuna Y, Akbal E, Köklü S. Thrombotic thrombocytopenic purpura following
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113: Beyazit Y, Koklu S, Ozturk ZA, Yüksel O, Ibis M, Arhan M, Gultuna S, Sezer
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prospective randomized study. Gastroenterol Nurs. 2011 Sep-Oct;34(5):352-5. doi:
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114: Ozkan H, Erdal H, Koçak E, Tutkak H, Karaeren Z, Yakut M, Köklü S.
Diagnostic and prognostic role of serum glypican 3 in patients with
hepatocellular carcinoma. J Clin Lab Anal. 2011;25(5):350-3. doi:
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115: Ergül B, Koçak E, Köklü S. Behcet disease and celiac disease: to screen or
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116: Tuna Y, Koçak E, Dinçer D, Köklü S. Factors affecting the success of
endoscopic bougia dilatation of radiation-induced esophageal stricture. Dig Dis
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117: Ozkan H, Demirbaş S, Ibiş M, Akbal E, Köklü S. Diagnostic validity of serum
macrophage inhibitor cytokine and tissue polypeptide-specific antigen in
pancreatobiliary diseases. Pancreatology. 2011;11(3):295-300. doi:
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118: Taş A, Koçak E, Akbal E, Köklü S. Treatment of glomerulonephritis associated
with hepatitis C virus in patient with cirrhosis: only pegylated interferon and
ribavirin. Chin Med J (Engl). 2011 May;124(10):1600. PubMed PMID: 21740828.

119: Unverdi S, Ceri M, Köklü S, Unverdi H, Koçak E, Duranay M. Tenofovir as a
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nephrotic syndrome. Ann Hepatol. 2011 Jul-Sep;10(3):372-3. PubMed PMID: 21677344.

120: Koçak E, Ergül B, Köklü S, Dinç S, Ozbalcı GS. Abundant intraperitoneal
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121: Köklü S, Koçak E, Akbal E. Air cholangiography for severe hilar obstruction
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122: Koçak E, Tuna Y, Ertugrul I, Arhan M, Köklü S. Metastasis of hepatocellular
carcinoma into the right atrium. Clin J Oncol Nurs. 2011 Jun;15(3):243-4. doi:
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123: Cakal B, Koklu S, Beyazit Y, Ozdemir A, Beyazit F, Ulker A. Fatal colonic
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124: Yavuz A, Yıldız M, Aydın A, Yıldırım AC, Buluş H, Köklü S. Henoch Schonlein
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125: Ekiz F, Yüksel O, Koçak E, Yılmaz B, Altınbaş A, Çoban S, Yüksel I, Üsküdar
O, Köklü S. Mean platelet volume as a fibrosis marker in patients with chronic
hepatitis B. J Clin Lab Anal. 2011;25(3):162-5. doi: 10.1002/jcla.20450. PubMed
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126: Koçak E, Köklü S, Akbal E, Taş A, Karaca G, Astarcı MH, Güven B, Can M.
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127: Taş A, Köklü S, Beyazit Y, Karaca G, Astarcı HM, Akbal E, Koçak E, Topçu G,
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comparison to ethanol in an experimental rat model. Clin Res Hepatol
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128: Karaca G, Pekcici R, Köklü S, Pirti O, Güler O. Isolated splenic hydatid
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129: Demirel AH, Akbal E, Köklü S, Kuru S, Cakal B, Dönmez M. An unusual cause of
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130: Karaca G, Koçak E, Pekici R, Güler O, Köklü S. A rare cause of acute
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131: Unverdi S, Ceri M, Öztürk MA, Akbal E, Ensari A, Yılmaz R, Kocak E, Inal S,
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132: Beyazit Y, Ibis M, Purnak T, Turhan T, Kekilli M, Kurt M, Sayilir A, Onal
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133: Tuna Y, Başar O, Dikici H, Köklü S. Rapid onset of ulcerative colitis after
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134: Koçak E, Köklü S, Akbal E. Extreme high serum level of carbohydrate antigen
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135: Taş A, Akbal E, Koçak E, Köklü S. Moxifloxacin-tetracycline-lansoprazole
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prospective study. Helicobacter. 2011 Feb;16(1):52-4. doi:
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136: Karaca G, Pekcici MR, Özer H, Köklü S, Kavlakoğlu B, Astarci M, Güler O.
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137: Cakal B, Koklu S, Bykoğlu I, Purnak T, Beyazit Y. An unusual colonoscopic
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138: Köklü S, Başar O, Akbal E, Ibiş M. Gastric serrated adenoma polyp treated
with endoscopic band ligation (with video). Surg Laparosc Endosc Percutan Tech.
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139: Taş A, Aydın YY, Arhan M, Köklü S. Hydrogen peroxide exposure mimicking
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140: Akbal E, Köklü S, Koçak E, Cakal B, Kılıç F. 5-aminosalicylic acid induced
multisystem disorders in the course of Crohn' s disease. J Crohns Colitis. 2010
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141: Köklü S, Koçak E, Erel S, Dinç S. Crohn's disease presenting with multiple
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142: Köklü S, Koçak E, Tas A, Biyikoğlu I, Ustün H. Metastatic polyps in the
hepatic flexura of the colon. Clin J Oncol Nurs. 2010 Dec;14(6):683-4. doi:
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143: Beyazit Y, Köklü S, Akbal E, Kurt M, Kekilli M, Haznedaroglu IC. Successful
treatment of endoscopic sphincterotomy-induced early hemorrhage with application
of Ankaferd Blood Stopper. Gastrointest Endosc. 2010 Dec;72(6):1325-6. doi:
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144: Ataseven H, Yüksel I, Gültuna S, Köklü S, Uysal S, Basar O, Sasmaz N. Fatal
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145: Ozkan H, Erdal H, Tutkak H, Karaeren Z, Yakut M, Yüksel O, Köklü S.
Diagnostic and prognostic validity of Golgi protein 73 in hepatocellular
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146: Gulsen MT, Beyazit Y, Guclu M, Koklu S. Testing for hepatitis B and C virus
infection before upper gastrointestinal endoscopy: justification for dedicated
endoscope and room for hepatitis patients. Hepatogastroenterology. 2010
Jul-Aug;57(101):797-800. PubMed PMID: 21033232.

147: Taş A, Ozer E, Köklü S, Kocak E. Signet ring cell carcinoma of the ampulla
of vater: a rare cause of acute pancreatitis. Scand J Gastroenterol. 2011
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148: Akbal E, Taş A, Köklü S, Biyikoğlu I, Köklü H. A giant intra-abdominal mass
in a 68-year-old woman. J Am Geriatr Soc. 2010 Oct;58(10):2038-9. doi:
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149: Akbal E, Koçak E, Taş A, Köklü S. Phlebotomy in the treatment of primary
biliary cirrhosis. Scand J Gastroenterol. 2011 Jan;46(1):124-5. doi:
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150: Kocak G, Kocak E, Yilmaz SR, Koklu S, Duranay M, Yalcin F, Albayrak Y. MEFV
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151: Tuna Y, Beyazit Y, Koklu S. Neuroendocrine tumor of the cecum in a young boy
diagnosed by colonoscopic examination. Gastroenterol Nurs. 2010
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152: Akbal E, Altunkaya C, Köklü S. A large mass in the cecum of a young man.
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153: Cakal B, Beyazit Y, Koklu S, Akbal E, Biyikoglu I, Yilmaz G. Elevated
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154: Çoban S, Tutal E, Alpay D, Köklü S. An unexpected cause of severe anemia in
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155: Köklü S, Akbal E, Demirel AH, Gönültaş MA. Multiple cancer foci in the colon
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156: Kekilli M, Köklü S, Beyazit Y, Arhan M, Basar O. An unusual gastrointestinal
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157: Taş A, Akbal E, Akgedik S, Köklü S. Mucinous cystadenoma of the peritoneum:
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158: Taş A, Akbal E, Koçak E, Köklü S, Yilmaz O, Turan A. Abdominal pain due to
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159: Karaca G, Tekten G, Güler O, Kuşabbi R, Köklü S, Ustün H, Altunkaya C. Acute
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160: Gumus M, Yilmaz O, Ersoy O, Demirezen AB, Akin E, Köklü S. Intrahepatic
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Apr-Jun;9(2):213-4. PubMed PMID: 20526021.

161: Köklü S, Oztürk ZA, Altay M, Cimbek A, Biyikoğlu I, Tuna Y. Diffuse
polyposis of small intestine. Acta Gastroenterol Belg. 2010 Jan-Mar;73(1):69-70.
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162: Yüksel I, Ataseven H, Başar O, Köklü S, Ertuğrul I, Ulker A, Dağlı U, Saşmaz
N. Peripheral arthritis in the course of inflammatory bowel diseases. Dig Dis
Sci. 2011 Jan;56(1):183-7. doi: 10.1007/s10620-010-1260-z. Epub 2010 May 11.
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163: Köklü S, Gültuna S, Yuksel O. Left-sided portal hypertension: 5-years
follow-up. Hepatogastroenterology. 2010 Jan-Feb;57(97):1-2. PubMed PMID:
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164: Tuna Y, Koçak E, Köklü S, Yüksel I. An unusual cause of chronic diarrhea in
a patient with chronic lymphocytic leukemia. South Med J. 2010 May;103(5):487-8.
doi: 10.1097/SMJ.0b013e3181d82d67. PubMed PMID: 20375934.

165: Yilmaz FM, Yilmaz G, Erol MF, Köklü S, Yücel D. Nitric oxide, lipid
peroxidation and total thiol levels in acute appendicitis. J Clin Lab Anal.
2010;24(2):63-6. doi: 10.1002/jcla.20301. PubMed PMID: 20333767; PubMed Central
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166: Köklü S, Alioğlu B, Akbal E, Koçak E. Celiac disease in siblings with
Pearson syndrome. Am J Med Sci. 2010 Apr;339(4):392-4. doi:
10.1097/MAJ.0b013e3181cefba3. PubMed PMID: 20228667.

167: Unverdi S, Köklü S, Tuncer F, Duranay M. Gastroduodenal plasmacytoma
presenting with jaundice. South Med J. 2010 Feb;103(2):159-61. PubMed PMID:
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168: Köklü S, Akbal E, Yildiz M, Kaptanoğlu B. An unusual cause of intractable
hematemesis in a 72-year-old man. J Am Geriatr Soc. 2009 Nov;57(11):2154-5. doi:
10.1111/j.1532-5415.2009.02532.x. PubMed PMID: 20121962.

169: Köklü S, Yüksel O, Onur I, Unverdi S, Biyikoğlu I, Akbal E, Sengül D,
Unverdi H, Ekşioğlu M. Ileocolonic involvement in Behçet's disease: endoscopic
and histological evaluation. Digestion. 2010;81(4):214-7. doi: 10.1159/000264643.
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170: Köklü S, Yuksel O, Coban S, Basar O. Is endoscopic band ligation necessary
for primary prophylaxis of esophageal varices without high bleeding risks?
Hepatology. 2009 Dec;50(6):2052; author reply 2052-3. doi: 10.1002/hep.23331.
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171: Biyikoğlu I, Babali A, Cakal B, Köklü S, Filik L, Astarci MH, Ustün H,
Ustündağ Y, Akbal E. Do scattered white spots in the duodenum mark a specific
gastrointestinal pathology? J Dig Dis. 2009 Nov;10(4):300-4. doi:
10.1111/j.1751-2980.2009.00399.x. PubMed PMID: 19906109.

172: Köklü S, Kekilli M, Arhan M, Demirel HA, Dadasov M, Yüksel O. A congenital
anomaly as a cause of abdominal pain in a 74-year-old man. J Am Geriatr Soc. 2009
Sep;57(9):1728-9. doi: 10.1111/j.1532-5415.2009.02418.x. PubMed PMID: 19895447.

173: Babalı A, Cakal E, Purnak T, Bıyıkoğlu I, Cakal B, Yüksel O, Köklü S. Serum
α-fetoprotein levels in liver steatosis. Hepatol Int. 2009 Dec;3(4):551-5. doi:
10.1007/s12072-009-9156-8. Epub 2009 Nov 5. PubMed PMID: 19890679; PubMed Central
PMCID: PMC2790592.

174: Karaca G, Pirti O, Güler O, Köklü S. Isolated pancreatic tuberculosis in a
patient with total situs inversus. Am J Gastroenterol. 2009 Oct;104(10):2650-1.
doi: 10.1038/ajg.2009.394. PubMed PMID: 19806112.

175: Akbal E, Koçak E, Köklü S. Mesalamine (pentasa)-induced painful skin
lesions. Inflamm Bowel Dis. 2010 May;16(5):725-6. doi: 10.1002/ibd.21087. PubMed
PMID: 19714758.

176: Koçak E, Köklü S, Akbal E, Huddam B, Azak A, Yilmaz SR. Development of
glomerulonephritis early in the course of Crohn's disease. Inflamm Bowel Dis.
2010 Apr;16(4):548-9. doi: 10.1002/ibd.21044. PubMed PMID: 19637383.

177: Ataseven H, Yüksel I, Arhan M, Köklü S, Başar O, Ertuğrul I, Saşmaz N.
Mucinous carcinoma of the rectum in a boy presenting with bloody diarrhea. Clin
Colorectal Cancer. 2009 Jul;8(3):169-71. doi: 10.3816/CCC.2009.n.028. PubMed
PMID: 19632933.

178: Ataseven H, Oztürk ZA, Arhan M, Yüksel O, Köklü S, Ibiş M, Başar O, Yilmaz
FM, Yüksel I. Cancer antigen 125 levels in inflammatory bowel diseases. J Clin
Lab Anal. 2009;23(4):244-8. doi: 10.1002/jcla.20323. PubMed PMID: 19623645;
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179: Köklü S, Gültuna S, Başar O, Yuksel I, Oktay M. Cholestasis preceding ileal
perforation in a patient with typhoid fever. Intern Emerg Med. 2009
Oct;4(5):451-2. doi: 10.1007/s11739-009-0282-z. Epub 2009 Jul 16. PubMed PMID:
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180: Yüksel O, Köklü S, Başar O, Yüksel I, Akgül H. Erosive gastritis mimicking
watermelon stomach. Am J Gastroenterol. 2009 Jun;104(6):1606-7. doi:
10.1038/ajg.2009.108. Epub 2009 Apr 21. PubMed PMID: 19491883.

181: Köklü S, Bulut M, Cakal B, Bozkurt A, Yüksel O. Gastric cancer presenting
with Plummer-Vinson Syndrome. J Am Geriatr Soc. 2009 May;57(5):933-4. doi:
10.1111/j.1532-5415.2009.02246.x. PubMed PMID: 19470022.

182: Köklü S, Uçar E. An unusual cause of abdominal pain in a 75-year-old man. J
Am Geriatr Soc. 2009 May;57(5):925-6. doi: 10.1111/j.1532-5415.2009.02240.x.
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183: Yüksel O, Helvaci K, Başar O, Köklü S, Caner S, Helvaci N, Abayli E,
Altiparmak E. An overlooked indicator of disease activity in ulcerative colitis:
mean platelet volume. Platelets. 2009 Jun;20(4):277-81. doi:
10.1080/09537100902856781. PubMed PMID: 19459134.

184: Arhan M, Köklü S, Yalçin F, Batgi H, Yilmaz SR, Yüksel O. Severe intestinal
bleeding in a patient with Wegener's granulomatosis. Am J Gastroenterol. 2009
Aug;104(8):2119-20. doi: 10.1038/ajg.2009.209. Epub 2009 May 19. PubMed PMID:
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185: Gültuna S, Köklü S, Arhan M, Aydin F, Mesci P, Usküdar O. Ciprofloxacin
induced tendinitis. J Clin Rheumatol. 2009 Jun;15(4):201-2. doi:
10.1097/RHU.0b013e3181a7b0d4. PubMed PMID: 19455056.

186: Usküdar O, Zengin N, Köklü S, Yüksel I, Başar O. Giant hepatic paraganglioma
succesfully treated with embolisation. Acta Gastroenterol Belg. 2008
Oct-Dec;71(4):427-8. PubMed PMID: 19317288.

187: Kisacik B, Akdogan A, Yilmaz G, Karadag O, Yilmaz FM, Koklu S, Yuksel O,
Ertenli AI, Kiraz S. Serum adenosine deaminase activities during acute attacks
and attack-free periods of familial Mediterranean fever. Eur J Intern Med. 2009
Jan;20(1):44-7. doi: 10.1016/j.ejim.2008.04.020. Epub 2008 Jun 20. PubMed PMID:
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188: Ibiş M, Yüksel O, Yilmaz G, Köklü S, Yilmaz FM, Ertuğrul I, Uçar E,
Altiparmak ME. Serum angiotensin converting enzyme levels in pancreatic diseases.
Hepatogastroenterology. 2008 Sep-Oct;55(86-87):1814-7. PubMed PMID: 19102399.

189: Yüksel I, Usküdar O, Köklü S, Başar O, Gültuna S, Unverdi S, Oztürk ZA,
Sengül D, Arikök AT, Yüksel O, Coban S. Inlet patch: associations with endoscopic
findings in the upper gastrointestinal system. Scand J Gastroenterol. 2008
Aug;43(8):910-4. PubMed PMID: 19086275.

190: Erer B, Yilmaz G, Yilmaz FM, Koklu S. Assessment of adenosine deaminase
levels in rheumatoid arthritis patients receiving anti-TNF-alpha therapy.
Rheumatol Int. 2009 Apr;29(6):651-4. doi: 10.1007/s00296-008-0750-1. Epub 2008
Oct 25. PubMed PMID: 18953538.

191: Yüksel I, Ataseven H, Köklü S, Ertuğrul I, Başar O, Odemiş B, Ibiş M, Saşmaz
N, Sahin B. Intermittent versus continuous pantoprazole infusion in peptic ulcer
bleeding: a prospective randomized study. Digestion. 2008;78(1):39-43. doi:
10.1159/000158227. Epub 2008 Sep 29. PubMed PMID: 18824852.

192: Koruk I, Oztürk ZA, Köklü S, Koruk S, Ozdede S. Port-site metastasis after
laparoscopic cholecystectomy. Acta Gastroenterol Belg. 2008 Apr-Jun;71(2):283-4.
PubMed PMID: 18720946.

193: Yüksel O, Bolat AD, Köklü S, Altiparmak E, Albayrak M, Caner S. Ischemic
colitis, an unusual complication of colonoscopy. South Med J. 2008
Sep;101(9):972-3. doi: 10.1097/SMJ.0b013e31817ed2a5. PubMed PMID: 18708963.

194: Gültuna S, Usküdar O, Köklü S, Başar O, Yüksel I, Alper M. An overlooked
lesion of the anorectal junction: cloacogenic polyp. Hepatogastroenterology. 2008
Mar-Apr;55(82-83):1p preceding table of contents. PubMed PMID: 18613352.

195: Köklü S, Gültuna S, Yüksel I, Başar O, Usküdar O, Han U. Diffuse
gastroduodenal metastasis of conjunctival malignant melanoma. Am J Gastroenterol.
2008 May;103(5):1321-3. doi: 10.1111/j.1572-0241.2007.01782_14.x. PubMed PMID:
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196: Ertuğrul I, Köklü S, Başar O, Yüksel O, Uçar E, Coban S, Ibiş M, Arhan M,
Odemiş B, Saşmaz N. Thrombosis of the portal venous system: a prospective study.
J Clin Gastroenterol. 2008 Aug;42(7):835-8. doi: 10.1097/MCG.0b013e318046eadc.
PubMed PMID: 18469722.

197: Koşan B, Yüksel O, Ustün I, Köklü S, Topal F, Yilmaz M, Ergül B,
Karaahmetoğlu S, Eskioğlu E, Altiparmak E. Role of endogenous cortisol on
Helicobacter pylori colonization. Clin Biochem. 2008 Jul;41(10-11):917-9. doi:
10.1016/j.clinbiochem.2008.03.004. Epub 2008 Mar 19. PubMed PMID: 18381206.

198: Yüksel O, Parlak E, Köklü S, Ertugrul I, Tunç B, Sahin B. Conscious sedation
during endoscopic retrograde cholangiopancreatography: midazolam or midazolam
plus meperidine? Eur J Gastroenterol Hepatol. 2007 Nov;19(11):1002-6. PubMed
PMID: 18049171.

199: Koruk I, Parlak E, Seçilmiş S, Akdoğan M, Köklü S. Endoscopic
sphincteroplasty with large balloon dilatation for extraction of difficult common
bile duct stones. Dig Dis Sci. 2008 Jun;53(6):1737-8. PubMed PMID: 17940901.

200: Babali A, Biyikoğlu I, Oztürk ZA, Köklü S. Helicobacter pylori and iron
deficiency. South Med J. 2007 Sep;100(9):915-6. PubMed PMID: 17902298.

201: Ibiş M, Köklü S, Yilmaz FM, Başar O, Yilmaz G, Yüksel O, Yildirim E, Oztürk
ZA. Serum adenosine deaminase levels in pancreatic diseases. Pancreatology.
2007;7(5-6):526-30. Epub 2007 Sep 27. PubMed PMID: 17901713.

202: Yolcu OF, Köklü S, Yüksel O, Coban S, Ayaz S, Akif Oztürk M, Benekli M.
Vascular endothelial growth factor receptor-1 levels in hepatocellular carcinoma
and correlations with clinicopathological features. Hepatogastroenterology. 2007
Jul-Aug;54(77):1526-8. PubMed PMID: 17708290.

203: Coban S, Yüksel O, Koçkar MC, Köklü S, Basar O, Tutkak H, Ormeci N. The
significance of serum transforming growth factor beta 1 in detecting of gastric
and colon cancers. Hepatogastroenterology. 2007 Jul-Aug;54(77):1472-6. PubMed
PMID: 17708279.

204: Akay H, Akay A, Köklü S. Serum and tissue beta-2 microglobulin levels in
patients with Helicobacter pylori infection. Dig Dis Sci. 2008 Feb;53(2):358-62.
Epub 2007 Jun 28. PubMed PMID: 17597407.

205: Biyikoğlu I, Oztürk ZA, Köklü S, Babali A, Akay H, Filik L, Basat O, Ozer H,
Ozer E. Primary anorectal malignant melanoma: two case reports and review of the
literature. Clin Colorectal Cancer. 2007 May;6(7):532-5. PubMed PMID: 17553203.

206: Ertuğrul I, Köklü S, Aktaş B. Total colectomy for all colorectal carcinoma
cases or follow-up indefinitely? Dig Dis Sci. 2007 Jun;52(6):1398-9. Epub 2007
Apr 10. PubMed PMID: 17420935.

207: Köksal AS, Köklü S, Ibiş M, Balci M, Ciçek B, Saşmaz N, Sahin B. Clinical
features, serum interleukin-6, and interferon-gamma levels of 34 turkish patients
with hepatoportal sclerosis. Dig Dis Sci. 2007 Dec;52(12):3493-8. Epub 2007 Apr
3. PubMed PMID: 17404864.

208: Köklü S, Coban S, Yüksel O, Arhan M. Left-sided portal hypertension. Dig Dis
Sci. 2007 May;52(5):1141-9. Epub 2007 Mar 24. Review. PubMed PMID: 17385040.

209: Başar O, Oztürk MA, Köklü S, Ayaz S, Yüksel O, Kiraz S, Ertenli I, Calgüneri
M. Plasma levels of soluble vascular endothelial growth factor receptor-1
(sVEGFR-1) in familial Mediterranean fever. Joint Bone Spine. 2007
Jan;74(1):52-5. Epub 2006 Apr 17. PubMed PMID: 17223601.

210: Coban S, Köklü S, Sencer H, Ekiz F, Ormeci N. Low dose amiodarone associated
cirrhosis. J Gastroenterol Hepatol. 2007 Jan;22(1):140-1. PubMed PMID: 17201899.

211: Coban S, Ozkan H, Köklü S, Yüksel O, Koçkar MC, Akar T, Ormeci N. The
utility of serum receptor-binding cancer antigen expressed on SiSo cells in
gastrointestinal tract cancers. Can J Gastroenterol. 2006 Sep;20(9):593-6. PubMed
PMID: 17001401; PubMed Central PMCID: PMC2659945.

212: Ozkan H, Akar T, Köklü S, Coban S. Significance of serum receptor-binding
cancer antigen (RCAS1) in pancreatic cancer and benign pancreatobiliary diseases.
Pancreatology. 2006;6(4):268-72. Epub 2006 Apr 19. PubMed PMID: 16636598.

213: Köksal D, Köksal AS, Köklü S, Ciçek B, Altiparmak E, Sahin B. Primary
tuberculous liver abscess: a case report and review of the literature. South Med
J. 2006 Apr;99(4):393-5. Review. PubMed PMID: 16634251.

214: Beyazit Y, Guven GS, Kekilli M, Koklu S, Yolcu OF, Shorbagi A. Acute
pericarditis and renal failure complicating acute hepatitis A infection. South
Med J. 2006 Jan;99(1):82-4. PubMed PMID: 16466128.

215: Arhan M, Ibiş M, Koklu S, Ozin Y, Oymaci E. Behcet's disease complicated
with descending colon perforation. Dig Surg. 2005;22(5):381. Epub 2006 Jan 16.
PubMed PMID: 16424670.

216: Yüksel O, Köklü S, Arhan M, Yolcu OF, Ertuğrul I, Odemiş B, Altiparmak E,
Sahin B. Effects of esophageal varice eradication on portal hypertensive
gastropathy and fundal varices: a retrospective and comparative study. Dig Dis
Sci. 2006 Jan;51(1):27-30. PubMed PMID: 16416205.

217: Coban S, Palabiyikoğlu M, Ensari A, Idilman R, Köklü S, Yolcu OF, Ormeci N.
Intestinal B cell lymphoma associated with chronic hepatitis C and celiac
disease. Dig Dis Sci. 2005 Dec;50(12):2359-61. PubMed PMID: 16416190.

218: Ibiş M, Köklü S, Başar O, Ertuğrul I, Dişibeyaz S, Ulker A. A gastric
fistula with a pancreatic mucinous tumor. Dig Dis Sci. 2005 Dec;50(12):2211-3.
PubMed PMID: 16416163.

219: Başar O, Ibiş M, Uçar E, Ertuğrul I, Yolcu OF, Köklü S, Parlak E, Ulker A.
Recurrent pancreatitis in a patient with autosomal-dominant polycystic kidney
disease. Pancreatology. 2006;6(1-2):160-2. Epub 2005 Dec 13. PubMed PMID:
16354965.

220: Köklü S, Parlak E, Yüksel O, Sahin B. Endoscopic retrograde
cholangiopancreatography in the elderly: a prospective and comparative study. Age
Ageing. 2005 Nov;34(6):572-7. PubMed PMID: 16267181.

221: Coban S, Başar O, Köklü S, Ekiz F, Ormeci N. A toothpick in the antrum. Dig
Dis Sci. 2005 Oct;50(10):1880-1. PubMed PMID: 16187191.

222: Başar O, Kisacik B, Bozdogan E, Yolcu OF, Ertugrul I, Köklü S. An unusual
cause of acalculous cholecystitis during pregnancy: hepatitis A virus. Dig Dis
Sci. 2005 Aug;50(8):1532. PubMed PMID: 16110848.

223: Başar O, Köklü S, Köksal D, Köksal AS, Ibiş M, Uçar E, Ulker A. Intracranial
tuberculomas in a nonimmuncompromised patient with abdominal tuberculosis
misdiagnosed as Crohn's disease. Dig Dis Sci. 2005 Jul;50(7):1279-82. PubMed
PMID: 16047472.

224: Ibiş M, Odemiş B, Başar O, Cakal B, Beyazt F, Köklü S. Postpartum severe
portal vein thrombosis and pyogenic liver abscess. J Clin Gastroenterol. 2005
Aug;39(7):646. PubMed PMID: 16000941.

225: Altlparmak E, Koklu S, Yalinkilic M, Yuksel O, Cicek B, Kayacetin E, Sahin
T. Viral and host causes of fatty liver in chronic hepatitis B. World J
Gastroenterol. 2005 May 28;11(20):3056-9. PubMed PMID: 15918189; PubMed Central
PMCID: PMC4305839.

226: Köklü S, Yüksel O, Arhan M, Coban S, Başar O, Yolcu OF, Uçar E, Ibiş M,
Ertugrul I, Sahin B. Report of 24 left-sided portal hypertension cases: a
single-center prospective cohort study. Dig Dis Sci. 2005 May;50(5):976-82.
PubMed PMID: 15906778.

227: Köksal A, Ekmekçi Y, Karadeniz Y, Köklü S, Apan T, Yilmaz M, Sezikli M, Unal
B, Demirel T, Yildiz A. Helicobacter pylori seropositivity and atherosclerosis
risk factors. Dig Dis. 2004;22(4):386-9. PubMed PMID: 15812164.

228: Köksal AS, Usküdar O, Köklü S, Yüksel O, Beyazit Y, Sahin B.
Propranolol-exacerbated mesenteric ischemia in a patient with hyperthyroidism.
Ann Pharmacother. 2005 Mar;39(3):559-62. Epub 2005 Feb 8. PubMed PMID: 15701768.

229: Köklü S, Oztürk MA, Balci M, Yüksel O, Ertenli I, Kiraz S. Interferon-gamma
levels in familial Mediterranean fever. Joint Bone Spine. 2005 Jan;72(1):38-40.
PubMed PMID: 15681246.

230: Coban S, Yüksel O, Köklü S, Ceyhan K, Baykara M, Dökmeci A. Atypical
presentation of hepatocellular carcinoma: a mass on the left thoracic wall. BMC
Cancer. 2004 Dec 1;4:89. PubMed PMID: 15574203; PubMed Central PMCID: PMC535896.

231: Ertuğrul I, Köklü S, Köksal AS, Coban S, Başar O, Ibiş M, Sahin B. Treatment
of bronchobiliary fistula due to an infected hydatid cyst by a nonsurgical
approach. Dig Dis Sci. 2004 Oct;49(10):1595-7. PubMed PMID: 15573911.

232: Köklü S, Köksal AS, Asil M, Kiyici H, Coban S, Arhan M. Probable
sulbactam/ampicillin-associated prolonged cholestasis. Ann Pharmacother. 2004
Dec;38(12):2055-8. Epub 2004 Oct 19. PubMed PMID: 15494387.

233: Köklü S, Coban S, Ertugrul I, Başar O, Ensari A, Akyol A, Ormeci N.
Intestinal obstruction in celiac disease: case report. Dig Dis Sci. 2004
Sep;49(9):1485-8. PubMed PMID: 15481324.

234: Köklü S, Arhan M, Küksal A, Ulker A, Temuüin T. An unusual presentation of
hepatocellular carcinoma. Int J Gastrointest Cancer. 2003;34(2-3):63-5. PubMed
PMID: 15361636.

235: Yolcu OF, Köklü S, Köksal AS, Yüksel O, Beyazit Y, Basar O.
Alfuzosin-induced acute hepatitis in a patient with chronic liver disease. Ann
Pharmacother. 2004 Sep;38(9):1443-5. Epub 2004 Jul 27. PubMed PMID: 15280514.

236: Köklü S, Yüksel O, Yolcu OF, Arhan M, Altiparmak E. Cholestatic attack due
to ampicillin and cross-reactivity to cefuroxime. Ann Pharmacother. 2004
Sep;38(9):1539-40. Epub 2004 Jul 20. PubMed PMID: 15266040.

237: Yüksel O, Köklü S, Uçar E, Saşmaz N, Sahin B. Severe recurrent
gastrointestinal bleeding due to angiodysplasia in a Bernard-Soulier patient: an
onerous medical concomitance. Dig Dis Sci. 2004 May;49(5):885-7. PubMed PMID:
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238: Arhan M, Koklu S, Koksal AS, Yolcu OF, Koruk S, Koruk I, Kayacetin E.
Alverine citrate induced acute hepatitis. World J Gastroenterol. 2004 Aug
1;10(15):2303-4. PubMed PMID: 15259090; PubMed Central PMCID: PMC4724969.

239: Coban S, Koklu S, Ertugrul I, Kuzu I, Bahar K. Obstructive jaundice in a
patient with multiple myeloma. J Gastroenterol Hepatol. 2004 Jul;19(7):837-8.
PubMed PMID: 15209639.

240: Köklü S, Köksal A, Yolcu OF, Bayram G, Sakaoğullari Z, Arda K, Sahin B.
Isolated splenic vein thrombosis: an unusual cause and review of the literature.
Can J Gastroenterol. 2004 Mar;18(3):173-4. Review. PubMed PMID: 15054491.

241: Filik L, Odemiş B, Köklü S, Tola M, Yurdakul M, Sahin B. Arterioportal
fistula causing jejunal variceal hemorrhage. Turk J Gastroenterol. 2003
Dec;14(4):266-9. PubMed PMID: 15048603.

242: Ozçakar L, Köklü S, Kaymak B, Kuran S, Sakaoğullari Z. The burden of
amyloidosis on the gastrointestinal tract of an ankylosing spondylitis patient.
Clin Rheumatol. 2003 Dec;22(6):440-2. Epub 2003 Oct 16. PubMed PMID: 14677023.

243: Filik L, Biyikoğlu I, Akdoğan M, Oğuz D, Köklü S, Köksal AS. Two cases with
hepatocellular carcinoma and spleen metastasis. Turk J Gastroenterol. 2003
Jun;14(2):138-40. Review. PubMed PMID: 14614642.

244: Köklü S, Aksoy DY, Altundag K, Usalan C. Superior vena cava thrombosis in
chronic lead exposure--a case report. Angiology. 2003 Jul-Aug;54(4):481-3. PubMed
PMID: 12934769.

245: Köksal AS, Köklü S, Filik L, Sasmaz N, Sahin B. Phenyramidol-associated
liver toxicity. Ann Pharmacother. 2003 Sep;37(9):1244-6. PubMed PMID: 12921508.

246: Köklü S, Yüksel O, Filik L, Usküdar O, Altundag K, Altiparmak E. Recurrent
cholestasis due to ampicillin. Ann Pharmacother. 2003 Mar;37(3):395-7. PubMed
PMID: 12639171.

247: Köklü S, Onat AM, Erol K, Kiliçarslan A, Altundag MK, Güllü I. Relapsed
prolactinoma 27 years after conventional radiotherapy. Am J Clin Oncol. 2002
Aug;25(4):429-30. PubMed PMID: 12151980.

248: Köklü S, Ertuğrul D, Onat AM, Karakuş S, Haznedaroğlu IC, Büyükaşik Y,
Sayinalp N, Ozcebe O, Dündar SV. Piebaldism associated with congenital
dyserythropoietic anemia type II (HEMPAS). Am J Hematol. 2002 Mar;69(3):210-3.
PubMed PMID: 11891809.