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. 2022 Jun 21;13:887612. doi: 10.3389/fendo.2022.887612

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Copyright © 2022 Chen, Liu, Cai, Ji, Zou, Chen, Wu, Zheng, Zheng, Chen and Li

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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Co-cited network mapping of cited references of these documents. (A) Network map of co-citation between references with more than 20 citations. (B) Density map of co-citation between references with more than 20 citations.