Presentation of professional paper 33rd International Congress of the European Hernia Society, Belgium, 2011.
Is There a Cure or Prevention Protocols for Failed ART? Monthly Conferences of Erfan Hospital, Iran, 2011.
Active Participation 45th Annual Congress of the European Society for Surgical Research, Switzerland, 2010.
Laparoscopic Cholecystectomy The Congress of Endoscopic and Laparoscopic Surgeons of Asia, Korea, 2006.
Optimizing Outcomes of Lap. Cholecystectomy 15th Annual Conference of European Society of Surgery, Poland, 2011.
Presentation of 4 papers 10th Mediterranean and Middle Eastern Endoscopic Surgery Congress, Iran, 2010.
Lap. Cholecystectomy in Elderly Patients 15th Congress of the European Association for Endoscopic Surgery, Greece, 2007.
Harmonization with Open Surgery 15th Annual Conference of European Society of Surgery (ESS), Poland, 2011.
Laparoscopic CBD Exploration 45th Annual Congress of the European Society for Surgical Research, Switzerland, 2010.