Meta-Analysis
Copyright ©The Author(s) 2021.
World J Gastrointest Surg. Sep 27, 2021; 13(9): 1079-1094
Published online Sep 27, 2021. doi: 10.4240/wjgs.v13.i9.1079
Figure 2
Figure 2 Risk of bias assessment using Cochrane collaboration’s risk of bias tool.