AUTHOR=Gu Yuzhou , Yang JiaLi , Luo Yefei , Zhan Lishan , Liu Fanghua , Zeng Wenting , Xu Huifang , Lu Yongheng , Cai Yanshan , Han Zhigang TITLE=Nested case-control study investigating factors affecting initial adoption of HIV self-testing among men who have sex with men in Guangzhou, China: amidst comprehensive service coverage JOURNAL=Frontiers in Public Health VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2024.1483671 DOI=10.3389/fpubh.2024.1483671 ISSN=2296-2565