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. 2023 Jun 28;11(13):1872. doi: 10.3390/healthcare11131872

Figure 3.

Figure 3

Summary of the analysis of the studies included in the review with respect to the risk of bias: low risk (+), unclear risk (?), and high risk (-) [12,13,16,17,19,42,48,49,50,51,52,53,54,55,56,57,58,59,60,61].