Meta-Analysis
Copyright ©The Author(s) 2016.
World J Gastroenterol. Mar 28, 2016; 22(12): 3486-3495
Published online Mar 28, 2016. doi: 10.3748/wjg.v22.i12.3486
Figure 3
Figure 3 Funnel plot of included studies for potential publication bias. The funnel plot was not absolutely symmetrical.