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. 2023 Nov 3;11(11):900. doi: 10.3390/toxics11110900

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© 2023 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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Contributions of the top 20 variables to the first and second components, in decreasing order of strength. The red line indicates the expected average donation of each variable: (a) first dimension; (b) second dimension.