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. 2022 Sep 9;10:961459. doi: 10.3389/fbioe.2022.961459

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Copyright © 2022 Zhang, Lin, Huang, Wang, Huang, Wu, Li, Xu, Zhao and Luo.

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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Trends in publications and citations of HA for the treatment of OA. (A) The annual trends of global publications and citations. (B) The total citations, average citations (citations per article) and H-index of the top ten countries. (C) The temporal trends of publications from the top ten countries.