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. 2021 Jun 4;12:657105. doi: 10.3389/fpsyt.2021.657105

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Copyright © 2021 Xu, Cai, Meng, Song, Wang, Wei, Zhai, Long, Wang, You and Zhang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Potential biomarker analysis using SVM algorithm. (A) ROC curves from different biomarker models using different numbers of features. (B) The top 10 significant metabolites ranked based on their frequencies of being selected during cross validation.