Document Type : Original Article
Authors
1 Assistant Professor of Surgical Oncology, Surgical Oncology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
2 Associated Professor of Minimal Invasive Surgery, Surgical Oncology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
3 Professor of General Surgery, Surgical Oncology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
4 Assistant Professor of Social Medicine, Department of Epidemiology and Biostatistics, Mashhad University of Medical Sciences, Iran.
Abstract
Keywords