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. 2022 Jun 14;9:865102. doi: 10.3389/fnut.2022.865102

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Copyright © 2022 Dong, Zhao, Li, Chen, Jiang and Zhou.

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 plots of IL-6 associated with experimental group (parenteral or enteral nutrition group supplemented with Gln) vs. control group (conventional nutrition group). I² tests and P are the criteria for the heterogeneity test, ♦, pooled standard mean difference; —■—, standard mean difference, and the edges of ♦, 95% CI.