1. Hakan Kulaçoğlu, Levent Meriç, Salih Çetinkurşun, Cahit Ertuna. The incidence of urinary retention in operations for inguinal hernia and pilonidal sinus with epidural anesthesia. Journal of Clinical and Experimental Surgery 1995; 3: 170-174.
2. Mustafa Şahin, Hasan Yavuz, Nuri A. Kama, Fatih Avşar, Hakan Kulaçoğlu. The effect of topical antibiotic prophylaxis on infection rate in hernioplasties using monofilamen polipropilen mesh (Marlex). Bulletin of Selcuk University Medical School 1996; 12: 195-198.
3. Hakan Kulaçoğlu, Nuri Aydın Kama, Ali Rıza Tümer, Burhan Eyüpoğlu, Hasan Yavuz. How do physicians consider laparoscopic surgery? A questionnaire study. Turkish Journal of Gastroenterology 1997; 8: 464-469.
4. Hakan Kulaçoğlu, Arife Polat, Münevver Moran, Rıza Gök, Faruk Coşkun. Elective inguinal hernia repari in elderly patients. Turk J Geriatrics 2000; 3: 64-68.
5. Hakan Kulacoglu. Small bowel obstruction and incisional hernia after laparoscopic surgery: Should 5-mm trocar sites be sutured? Journal of Laparoendoscopic and Advanced Surgical Techniques 2000; 10: 227-8.
6. Hakan Kulacoglu, Bahadır Kulah, Selim Hatipoglu, Faruk Coskun. Incarcerated direct inguinal hernias: three-year experience of a large volume training hospital. Hernia 2000; .
7. Hakan Kulaçoğlu, M.Mahir Özmen, M.Tahir Oruç, Mahmut Koç, Nuri A. Kama. Laparoscopic herniorrhaphy: preference rate among surgeons in Ankara, Turkey. East African Medical Journal 2001; 78:51-54.
8. Bahadır Kulah, Hakan Kulacoglu, Tahir Oruc, Arife Polat-Duzgun, Munevver Moran, Mahir Ozmen, Faruk Coskun. Presentation and outcome of incarcerated external hernias in adults. American Journal of Surgery 2001;181:101-104.
9. Bahadır Kulah, Arife Polat-Duzgun, Munevver Moran, Hakan Kulacoglu, Mahir Ozmen, Faruk Coskun. Emergency hernia repairs in elderly patients. American Journal of Surgery 2001;182: 455-459.
10. M.T Oruc, Külah B, Saylam B, Moran M, Albayrak L, Coskun F, An unusual presentation of metastatic gastric cancer found during inguinal hernia repair: a case report and review of the literature. Hernia 2002; 6: 88-90.
11. M.T Oruc, Karabulut Z, Ozozan O, Coskun F. Urological findings in inguinal hernias: A case report and review of the literature. Hernia 2003; 8: 76-79.
12. Kulacoglu H, Tumer H, Aktimur R, Kusdemir A. Epiploic appendicitis in inguinal hernia sac presenting an inguinal mass. Hernia 2005; 9:288-290.
13. Gurer A, Ozdogan M, Ozlem N, Yildirim A, Kulacoglu H, Aydin R. Uncommon content in groin hernia site. Hernia 2006; 10:152-155.
14. Kulacoglu H, Tumer H, Aktimur R, Kusdemir A. Internal herniation with fatal outcome: herniation through an unusual apertura between epiploic appendices and greater omentum. Acta Chirurgica Belgica 2006;106: 109-111.
15. Ozdogan M, Yildiz F, Gurer A, Orhun S, Kulacoglu H, Aydin R. Changes in collagen and elastin fiber contents of the skin, rectus sheath, transversalis fascia and peritoneum in primary inguinal hernia patients. Bratislava Medical Journal 2006; 107: 235-238.
16. Serbetci K, Kulacoglu H, Devay AO, Hasirci N. Effects of resterilization on mechanical properties of polypropylene meshes. American Journal of Surgery [Accepted for publication in 2006].

Congress Presentations

17. Ömer Cengiz, M.Tahir Oruç, Melih Karabeyoğlu, Mustafa Kavurmacı. Abrahamson’s nylon darn technique for inguinal hernia repair. National Surgical Congress, 9-13 June 1994, Istanbul.
18. Hakan Kulaçoğlu, Hasan Yavuz, Burhan Eyüpoğlu, Nuri Aydın Kama. How do physicians consider laparoscopic surgery? A questionnaire study. II. National Endoscopic-Laparoscopic Surgery Congress. 14-16 September 1995, Istanbul.
19. Nuri Aydın Kama, Erdal Göçmen, Hakan Kulaçoğlu, Mutlu Doğanay, Mahmut Koç. Tension-free hernioplasties: laparoscopic vs. conventional approach. 4th European Congress of Video Surgery. 5-8 June 1994, Istanbul, Turkey.
20. Nuri A.Kama, Erdal Göçmen, Hakan Kulaçoğlu, Burhan Eyüpoğlu, Mahmut Koç. Tension-free hernioplasties : laparoscopic vs conventional approach. 2nd International Congress of the European Association for Endoscopic Surgery. 14-17 September 1994, Madrid, Spain.
21. Hakan Kulaçoğlu, Erhan Reis, Erdal Göçmen, Nuri Kama. How do physicians consider laparoscopic surgery. 5th European Congress of Surgery. 15-19 November 1995, Barcelona, Spain.
22. Hakan Kulaçoğlu, Mahir Özmen, Tahir Oruç, Mahmut Koç, Nuri A. Kama. There has been ‘no change’ on the laparoscopic herniorrhaphy side. 7th International Congress of the European Association for Endoscopic Surgery. 23-26 June 1999, Linz, Austria.
23. Hakan Kulaçoğlu, Bahadır Külah, Selim Hatipoğlu, Arife Düzgün, Nurettin Kahramansoy, Faruk Coşkun. Strangulated external hernias in elderly patients. 10th European Congress of Surgery. 20-24 June 2000, Istanbul, Turkey.
24. Bahadır Külah, Hakan Kulaçoğlu, Selim Hatipoğlu, Arife Düzgün, Abdil Akın, Faruk Coşkun. Risk of strangulation in incarcerated hernias. 10th European Congress of Surgery. 20-24 June 2000, Istanbul, Turkey.