Systematic Reviews
Copyright ©The Author(s) 2019.
World J Gastroenterol. Jun 7, 2019; 25(21): 2675-2682
Published online Jun 7, 2019. doi: 10.3748/wjg.v25.i21.2675
Figure 4
Figure 4 Publication bias funnel plot. A: Begg’s test; B: Egger’s test; C: Trim-and-fill method.