Yurt Dışı Çalışmaları
1- Oxford University, Radcliffe Hospital, Colorectal Surgery, Oxford, UK. 1995-1996.
2- Oxford University, Radcliffe Hospital, Hepatobiliary Surgery, Oxford, 1995-1996.
3- Oxford University, Radcliffe Hospital, Gastrointestinal Pathology, Oxford, UK. 1995-1996.
4- University of Pittsburgh, Schools of Health Sciences and UPMC, USA. 2000.
5- University of Pittsburgh, Department of Surgery, USA. 2000.
6- Chirurgische Klinik des Klinikums rechts der ısar der Technischen Universitat München, Munich, Germany. 2001.
7- Lichtenstein Hernia Institute, Los Angeles, CA, USA. 2004.
8- Plymouth Hernia Service, Plymouth, UK. 2006.
9- British Hernia Center, London, UK. 2006.
10- Hospital of Leoben, Austria, 2007.