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. 2022 Jan 11;9:811730. doi: 10.3389/fpubh.2021.811730

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Copyright © 2022 Guo, Wang, Chen, Kaptchuk, Li, Gao, Yao, Tang 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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The top five topics about TCM in cyberspace. (A) The top five positive topics. (B) The co-occurrence relationships between these five positive topics. (C) The top five negative topics. (D) The co-occurrence relationships between these five negative topics.