Zeytunlu M., Fırat Ö., Nart D., Çoker A., Yüzer Y., Tekeşin O., Özütemiz Ö., Killi R. Solid and cystic papillary neoplasms of the pancreas: Report of four cases. Turkish Journal of Gastroenterology 2004; 15 (3): 178 – 182
Zeytunlu M., Korkut M., Akgün E., Fırat Ö., Aynacı M., İçöz G., Kılıç M., Ersin S., Özütemiz Ö. The comparative effects of calcium channel blockers in an experimental colitis model in rats. Turkish Journal of Gastroenterology 2004; 15 (4): 243 – 249
Tuncyurek P., Sari M., Firat O., Mutaf I., Gulter C., Tunger A., Yuce G., Yilmaz M., Makay O., Dayangac M., Ersin S. Does pharmaconutrition with L-arginine and/or alpha-tocopherol improve the gut barrier in bile duct ligated rats? Eur Surg Res. 2006; 38 (1): 4 – 10.
Icoz G., Makay O., Sozbilen M., Gurcu B., Caliskan C., Firat O., Kurt Z., Ersin S. Is D-dimer a predictor of strangulated intestinal hernia? World J Surg. 2006; 30 (12): 2165 – 9.
Fırat Ö., Karaköse Y., Çalışkan C., Makay Ö., Özütemiz Ö., Korkut MA. Dieulafoy’s lesion of the anal canal: Report of a case. Turkish Journal of Gastroenterology 2007; 18 (4): 265 – 267
Turhan K., Makay O., Cakan A., Samancilar O., Firat O., Icoz G., Cagirici U. Traumatic diaphragmatic rupture: look to see. Eur J Cardiothorac Surg. 2008; 33 (6): 1082 – 5. Firat O., Guler A., Sozbilen M., Ersin S.,
Kaplan H. Gastric remnant cancer: an old problem with novel concerns. Langenbecks Arch Surg. 2009; 394 (1): 93 – 7.
Firat O., Kirdok O., Makay O., Caliskan C., Yilmaz F., Karabulut B., Ilgezdi S., Zeytunlu M., Coker A. Can hyperbaric oxygenation decrease doxorubicin hepatotoxicity and improve regeneration in injured liver? J Hepatobiliary Pancreat Surg. 2009; 16 (3): 346 – 52.
Caliskan C., Firat O., Karaca A.C., Akgun E. Steroid utilization in eosinophilic jejunitis: beneficial or harmful? Langenbecks Arch Surg. 2010; 395 (1): 99 – 101.
Firat O., Ozturk S., Akalin T., Coker A. Inflammatory myofibroblastic tumour. Can J Surg. 2009; 52 (3): E60 – 1.
Fırat Ö., Mutlukoca N., Makay Ö., Yılmaz F., Ömür Ö., Kitapçıoğlu G., Yıldıray Y. Portal hyperfusion or hepatic venous congestion: which one affects Kupffer cell function more? Experimental and Clinical Transplantation 2009; 1: 40 – 44
Ersin S., Firat O., Sozbilen M. Single-incision laparoscopic cholecystectomy: is it more than a challenge? Surg Endosc. 2010; 24 (1): 68 – 71.
Calişkan C., Denizli A., Makay O., Firat O., Tanyalcin T., Alkanat M., Korkut M.A. Experimental comparison of meshes for rectal prolapse surgery. Eur Surg Res. 2009; 43 (3): 310 – 4.
Firat O., Yazici P., Makay O., Aydin A., Tuncyurek M., Ersin S., Guler A. Co-existence of gastrointestinal stromal tumors with malign epithelial tumors: a report of two cases. Acta Chir Belg. 2009;109 (5): 629 – 32.
Caliskan C., Makay O., Firat O., Uğuz A., Akgün E., Korkut M.A. McKittrick-Wheelock syndrome: is it really rare? Am J Emerg Med. 2010; 28 (1): 105 – 6.
Fırat O, Caliskan C, Karaca C, Sezak M, Ozutemiz O, Ersin S, Guler A. Coexistence of Gastric Cancer and Gastrointestinal Stromal Tumor : Report of Two Cases, Turk J Gastroenterology 2010; 21: 302 – 304
Caliskan C, Makay O, Firat O, Karaca C, Akgun E, Korkut MA. ‘Foreign bodies in rectum : An Analysis Of Thirty Patients’, Surgery Today, 2011; 41:795 – 800
Caliskan C, Güler N, Karaca C, Makay O, Firat O, Korkut MA. Negative prognostic factors in colorectal carcinoma : An Analysis of 448 patients, Indian J Surgery, 2010; 72: 243 – 248
Yeniay L., Karaca C.A., Caliskan C., Firat O., Ersin S.M., Akgün E. Abdominal cocoon syndrome as a rare cause of mechanical bowel obstruction: report of two cases. Ulusal Travma ve Acil Cerrahi Dergisi 2011; 17: 557 – 560.
Ersin S., Firat O., Sozbilen M. Reply to: re “Single incision laparoscopic cholecystectomy: is it more than a challenge?”. Surg Endosc, 2011; 25: 3476
Makay O., Kaya T., Firat O., Sozbilen M., Caliskan C., Gezer G., Uyar M., Ersin S. Omega-3 fatty acids have no impact on serum lactate levels after major gastric cancer surgery. JPEN, J Parenter Enteral Nutr 2011; 35: 488 – 492 .
Tatar E, Gungor O, Firat O, Kircelli F, Arda B, Harman M, Toz H, Hoscoskun C. Differential diagnosis of an unusual pelvic mass in a renal transplant recipient: multidrug-resistant abdominopelvic tuberculosis. Ren Fail. 2011; 33: 1040-2.
Solak I, Sezer TO, Toz H, Tatar E, Sozbilen M, Firat O, Hoscoskun C. What kind of changes occurred in clinical characteristics of deceased kidney donor recipients after national allocation system in Turkey? A single-center retrospective analysis. Transplant Proc. 2012 Jul-Aug;44(6):1598-600.
Tatar E, Turan MN, Firat O, Sezer TO, Sozbilen M, Solak I, Toz H, Hoscoskun C. Use of kidney donors with hepatitis B, hepatitis C, or brain tumor: a single-center experience. Transplant Proc. 2012 Jul-Aug;44(6):1601-3.
Solak I, Sezer TO, Toz H, Tatar E, Isayev C, Firat O, Hoscoskun C. Spousal versus living unrelated renal transplantation: a retrospective analysis of allograft outcomes. Transplant Proc. 2012 Jul-Aug;44(6):1710-2.
Sezer TO, Yildirim H, Unalp O, Yoldas T, Firat O, Guler A, Ersin S, Hoscoskun C. A feasible technique for intraoperative endoscopy of gastrointestinal bleeding: clothed endoscopy. Am Surg. 2012 Sep;78(9):E439-40.
Sezer TO, Solak I, Sozbilen M, Firat O, Yilmaz M, Toz H, Sarsik B, Isayev C, Harman M, Hoscoskun C. A horseshoe kidney from a live donor as a renal transplant: case report. Exp Clin Transplant. 2013 Oct;11(5):454-7.
Tanrısev M, Hoşcoşkun C, Aşçı G, Sözbilen M, Firat Ö, Ertilav M, Özkahya M, Töz H. Long-term outcome of kidney transplantation from elderly living and expanded criteria deceased donors. Ren Fail. 2015 Mar;37(2):249-53.
Unver M, Firat Ö, Ünalp ÖV, Uğuz A, Gümüş T, Sezer TÖ, Öztürk Ş, Yoldaş T, Ersin S, Güler A. Prognostic factors in peptic ulcer perforations: a retrospective 14-year study. Int Surg. 2015 May;100(5):942-8.
Yoldas T, Ustun M, Karaca C, Firat O, Caliskan C, Akgun E, Korkut M. Morgagni Hernia: Is It Just a Congenital Hernia or a Cause of Emergency Surgery?. Am Surg 2016; 82(11): E317 – E319.
Firat O, Makay O, Gokce G, Yeniay L, Yenisey C, Coker A. Omega-3 fatty acids inhibit oxidative stress in a rat model of liver regeneration. Annals of Surgical Treatment and Research. 2017;93(1):1-10.
Firat O, Demir HB, Sezer TO, Bozkaya H, Ozutemiz O, Ersin S. Nonoperative Management of Leaks After Laparoscopic Sleeve Gastrectomy with Endoscopic Stents in a Tertiary Referral Center. (Under Submission).
