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. 2021 Apr 6;8:648727. doi: 10.3389/fmed.2021.648727

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Copyright © 2021 Tan, Yu, Long, Gan, Wang, Zhang and Zhao.

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 decreasing trend in SLE in China from 2013 to 2017. The columns indicate the numbers of patients with SLE; the line shows the percentage of SLE or lupus in HQMS.