. 2015 May-Jun;21(3):165–174. doi: 10.4103/1319-3767.157567
Copyright: © Saudi Journal of Gastroenterology
This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Supplementary Table 1.
Study quality STROBE checklists
