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. 2021 May 5;8:662357. doi: 10.3389/fnut.2021.662357

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Copyright © 2021 Chen, Peng, Lian, Wang, Chen and Wang.

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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Forest plot of the pooled effect estimates of distress. (A) The highest Dietary Inflammatory Index (DII) category compared with the lowest category. (B) The second highest DII category compared with the lowest category.