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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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Visualization map of countries involved in HA for the treatment of OA research. (A) Collaboration between coutries based on VOSviewer. (B) Collaboration between coutries based on Online Analysis Platform of Literature Metrology. (C) Dynamics and trends of coutries over time. (D) Density map of country distribution of published articles based on VOSviewer.