Document Type : Review Article
Authors
1 Professor of General Surgery and Gastrointestinal, Liver Disease Research Center, Iran University of Medical Sciences and Health Services, Firozgar Hospital, Tehran, Iran
2 Professor of General Surgery, Tehran University of Medical Sciences and Health Services, Emam Khomaini Hospital, Tehran, Iran
3 Assistant Professor of General Surgery, Azad University of Medical Sciences and Health Services, Tehran, Iran
Keywords