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. 2021 Aug 24;13(9):2909. doi: 10.3390/nu13092909

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Forest plot of comparison: chocolate versus control, with the outcome-body weight (kg). Nichols-Richardson (2014) and Nijike (2011) reported mean changes and their respective SD, instead of mean scores.