1 - Urhan MK, Küçükel F, Topgül K, Özer İ, Sarı S. ‘Rhomboid excision and Limberg flap for managing pilonidal olüm’ Eurosurgery, 84, O.Pr-251, İstanbul, Turkey, 2000

2 - Cinel İ, Özer İ, Poyraz A, Oral U. ‘Prevention of apoptosis by by poly(ADP-ribose) synthase inhibition in LPS indusec sepsis,’ Eurosurgery, 64, O.Pr-175, İstanbul, Turkey, 2000.

3 - Yol S, Bostanci B, Kayaalp C, Ozogul C, Ozer I, Ulas M, Akoglu M, “Reasons for conversion in eight years of laparoscopic cholecystectomy experience” ,5th European Congress of the IHPBA, İstanbul, The Official Journal of the International Hepato Pancreato Biliary Association, oral presentation, 36, 33, 2003

4 - Ozogul Y., Bostanci E.B., Ozer I., Ulas M., Ercan M., Bostanoglu A., Akoglu M., ‘Results of laparoscopic colorectal operatıons: fırst 66 cases. ISUCRS 2006, XXI. Bıennıal Congress Of Internatıonal Socıety Of The Unıversıty Of Colon And Rectal Surgeons, 170, O.Pr-135, Istanbul, Turkey, 2006.

5 - Ulas M., Ozogul Y., Ozer I., Ercan M., Orug T., Seven C., Bostanci E.B., Akoglu M., ‘Effects of advanced age on mortalıty and morbıdıty ın colorectal surgery,’ ISUCRS 2006, XXI. Bıennıal Congress Of Internatıonal Socıety Of The Unıversıty Of Colon And Rectal Surgeons, 88, O.Pr-54, Istanbul, Turkey, 2006.

6 - Ozogul Y., Ulas M., Ozer I., Ercan M., Bilgic I., Orug T., Bostanci E.B., Atalay F., Akoglu M., ‘Protectıve stoma ın low anterıor resectıon of the rectum,’ ISUCRS 2006, XXI. Bıennıal Congress Of Internatıonal Socıety Of The Unıversıty Of Colon And Rectal Surgeons, 169, O.Pr-134, Istanbul, Turkey, 2006.

7 - Özer İ., Bostancı E.B., Karaman K., Koç K., Ulaş M., Ercan M., Dalgıç T., Elbir O., Atalay F., Akoğlu M., Comparison of short and long term results of D2 versus D3 gastrectomy. 18th World Congress of the International Association of Surgeons, Gastroenterologist and Oncologists. Hepato-gastroenterology, supplement 1, olüme 55, A48, O.Pr 116, Istanbul, 2008.

8 - Özer İ., Bostancı E.B., Koç Ü., Karaman K., Özoğul Y., Ulaş M., Ercan M., Seven C, Atalay F., Akoğlu M., ‘The effects of advanced age on postoperative morbidity and mortality after resection for gastric cancer,’ 18th World Congress of the International Association of Surgeons, Gastroenterologist and Oncologists. Hepato-gastroenterology, supplement 1, olüme 55, A48, O.Pr 117, Istanbul, 2008.

9 - Özer İ., Özoğul Y., Bostancı E.B., Koç Ü., Karaman K., Ercan M., Ulaş M., Seven C., Atalay F., Akoğlu M., ‘Factors influencing metastatic lymph node ratio in patients with gastric cancer and the effect of metastatic lymph node ratio on survival,’ 18th World Congress of the International Association of Surgeons, Gastroenterologist and Oncologists. Hepato-gastroenterology, supplement 1, olüme 55, A49, O.Pr 118, Istanbul, 2008.

10 - Karadağ S, Gömceli İ, Ulas M, Bil D, Özer İ, Bostancı EB, Akoğlu M. The Management of Parastomal Dermatitis Due to Rectal Cancer that Develops in Relation to Postoperative Radiotherapy Applıcations. 11.European Council Enterostomal Therapists. 12-15 June Bologna İtaly 2011.

11 - Karadağ S, Gömceli İ, Ulas M, Bil D, Özer İ, Bostancı EB, Akoğlu M. Ostomy Complications in Colorectal Surgery and Their Relations to Body Mass Index. 11.European Council Enterostomal Therapists. 12-15 June Bologna İtaly 2011.

12 - Karadağ S, Gömceli İ, Ulas M, Bil D, Özer İ, Bostancı EB, Akoğlu M. Bedside Management in Wide Surgical Wounds with Enteroatmospheric Fistulas. 11.European Council Enterostomal Therapists. 12-15 June Bologna İtaly 2011.

13 - Ozer I, Kerimoglu RS, Dalgıc T, Bostancı EB, Aksoy E, Ulas M, Ozogul Y, Akoğlu M. The effect of age on mortality and morbidity in patients treated with pancreaticoduodenectomy. XVI. Annual Meeting of the European Society of Surgery, ESS 2012, sözlü sunum 108, Istanbul, Türkiye, Kasım 2012

14 - Özcem Öfkeli, Murat Ulaş, Erol Aksoy, Tahsin Dalgıç, Neslihan Zengin, İlter Özer, Mustafa Taner Bostancı, , Yusuf Bayram Özoğul, Erdal Birol Bostancı, Musa Akoğlu. Five year experience in this enigmatic problem: colorectal endomeriozis. Eylül 2014, 14. İnternational Euroasian Conres of Gastroenterology and Surgery, A- 138,S 51, Magosa K.K.T.C.

15 - Akoğlu M, Bostancı EB, Aksoy E, Koc U, Sumer F, Ozer I. Early postoperative complications after single port versus 4 port laparoscopic cholecystectomy in patients using oral anticoagulant. 24th Annual Conference of APASL, Poster 1646, Istanbul, Türkiye, Mart 2015

16 - Karadağ S, Görk S, Okkabaz N, Oter V, Ozer İ, Ulaş M, Bostancı EB, Akoğlu M. Management of complicated wound secondary to retracted stoma revision. WCET 2016, O-168, 13-16 March 2016, South Africa.