Meta-Analysis
Copyright ©The Author(s) 2019.
World J Clin Cases. Jun 6, 2019; 7(11): 1302-1314
Published online Jun 6, 2019. doi: 10.12998/wjcc.v7.i11.1302
Figure 2
Figure 2 Risk of bias graph: Review authors' judgements about each risk of bias item presented as percentages across all included studies.