Meta-Analysis
Copyright ©The Author(s) 2022.
World J Meta-Anal. Apr 28, 2022; 10(2): 63-73
Published online Apr 28, 2022. doi: 10.13105/wjma.v10.i2.63
Figure 2
Figure 2 Proportion of studies with low (green), high (red), or unclear (yellow) risk of bias.