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. 2021 Aug 23;9:713487. doi: 10.3389/fpubh.2021.713487

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Copyright © 2021 Xia, Yao, Wang, Chen and Wang.

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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Distribution of journals focused on COVID-19. (A) Distribution of the top 20 journals publishing the most clinical research studies on COVID-19. (B) Bibliometric analysis of citations by the journal. Different colors indicate different clusters, and the size of circles reveals the number of publications.