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. 2022 Oct 17;13:1027603. doi: 10.3389/fendo.2022.1027603

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Copyright © 2022 Lu, Qi, Xu, Hao, Yang, Yu and Xu

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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Bibliographic coupling analyses of global publications in SONFH in the last 30 years. (A) Network visualization of the 35 identified countries/regions in SONFH. (B) Network visualization of the 65 identified institutions in SONFH. (C) Network visualization of the 102 identified authors in SONFH. Each circle represents an item; the size of the circle represented the number of publications of the item. The distance between two circles represents the correlation of the items, a closer distance with a stronger association. The color of an item is determined by the cluster to which it belongs.