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. 2022 Dec 28;15(1):148. doi: 10.3390/nu15010148

Figure 2.

Figure 2

Risk of bias summary: determination of the risk of bias items for included studies. (+) = low risk of bias; (?) = unclear risk of bias. A total of 21 papers [7,23,24,25,26,30,34,35,42,43,44,45,46,47,48,49,50,51,52,53,54] were reviewed.