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. 2021 Mar 15;162(1):S26–S44. doi: 10.1097/j.pain.0000000000002269

Figure 7.

Figure 7.

The reporting of methodological quality criteria (A) and a summary bar plot showing the proportion of studies with a given risk of bias for each methodological quality criteria (B) for the 374 included studies. Reporting of conflicts of interest statements and compliance with animal welfare regulations were also collected but are not included in the overall risk of bias.