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. 2022 Aug 16;8(8):e34150. doi: 10.2196/34150

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©Zijie Yang, Lan Wei, Wei Xie, Lin Chen, Zhengrong Yang, Yan Zhang, Shaochu Liu, Wei Tan, Chenli Zheng, Yongxia Gan, Dongmin Li, Huachun Zou, Wanying Chen, Ling Ma, Niu Ju, Yinghui Sun, Fan Lv, Jin Zhao. Originally published in JMIR Public Health and Surveillance (https://publichealth.jmir.org), 16.08.2022.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR Public Health and Surveillance, is properly cited. The complete bibliographic information, a link to the original publication on https://publichealth.jmir.org, as well as this copyright and license information must be included.

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Changes in characteristics among men who have ever had sex with another man—2019 versus 2014. OR: odds ratio; ref: reference; MSM: men who have sex with men; STI: sexually transmitted disease.