Xia Y, Greenwald ZR, Milwid RM, Claire T, et al. Pre-exposure prophylaxis uptake among men who have sex with men who used
non-occupational post-exposure prophylaxis: a longitudinal analysis of attendees
at a large sexual health clinic in Montreal (Canada). J Acquir Immune Defic Syndr 2020 Aug 19. doi: 10.1097/QAI.0000000000002472.
PMID: 32826567