Meta-Analysis
Copyright ©The Author(s) 2019.
World J Meta-Anal. Apr 30, 2019; 7(4): 170-183
Published online Apr 30, 2019. doi: 10.13105/wjma.v7.i4.170
Figure 1
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Figure 1 Preferred Reporting Items for Systematic Reviews and Meta-Analysis flow chart for inclusion of studies.
Figure 2
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Figure 2 Risk of bias assessed for each individual study using Cochrane bias assessment tool.
Figure 3
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Figure 3 Summary risk of bias using Cochrane bias assessment tool.