Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleUnsupervised Machine Learning to Detect and Characterize Barriers to Pre-exposure Prophylaxis Therapy: Multiplatform Social Media Study.AuthorsQing Xu; Nali, Matthew C.; McMann, Tiana; Godinez, Hector; Jiawei Li; Yifan He; Mingxiang Cai; Lee, Christine; Merenda, Christine; Araojo, Richardae; Mackey, Tim KenPublicationJMIR Infodemiology, 2022, Vol 2, Issue 1, p1ISSN2564-1891Publication typeArticleDOI10.2196/35446