Meta-Analysis
Copyright ©The Author(s) 2018.
World J Clin Cases. Nov 6, 2018; 6(13): 650-658
Published online Nov 6, 2018. doi: 10.12998/wjcc.v6.i13.650
Figure 2
Figure 2 Risk of bias summary: review authors’ judgements regarding risk of bias item for each included study.