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. 2021 Apr 11;13(4):1258. doi: 10.3390/nu13041258

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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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Effects of red clover (Trifolium pratense) isoflavones vs. placebo on rating menopausal symptoms using the following questionnaires, based on the respondents’ replies concerning the intensity of complaints. Number in brackets following author’s name refers to the dose of isoflavones in the study with more than one active group [33,34,36,38,39,40,41,42,43,44]. The letter A marks the first part of the figure containing the Kupperman Menopausal Index analysis. The letter B marks the second part of the figure containing the Greene Climacteric Scale analysis. The letter C marks the third part of the figure containing the Menopause Rating Scale analysis. Abbreviations: WMD, weighted mean difference.