Meta-Analysis
Copyright ©The Author(s) 2018.
World J Gastroenterol. Apr 14, 2018; 24(14): 1562-1578
Published online Apr 14, 2018. doi: 10.3748/wjg.v24.i14.1562
Figure 13
Figure 13 Begg’s funnel plot to explore publication bias of all the included studies.