Meta-Analysis
Copyright ©The Author(s) 2019.
World J Gastrointest Oncol. Oct 15, 2019; 11(10): 909-924
Published online Oct 15, 2019. doi: 10.4251/wjgo.v11.i10.909
Figure 2
Figure 2 Study quality regarding the risk of bias and applicability concerns as assessed by the QUADAS II tool.