Document Type : Review Article(s)
Authors
1 Colorectal Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
2 Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
3 Gastrointestinal and Liver Diseases Research Center (GLDRC), Guilan University of Medical Sciences, Rasht, Iran
4 Collaboration Center of Meta-Analysis Research (ccMETA), Torbat Heydariyeh University of Medical Sciences, Torbat Heydarieh, Iran
5 Health Policy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran