Characteristics of cannabis use among men who have sex with men in Nepal: A respondent-driven cross-sectional survey. - Paudel K; Mazzeo R; Wickersham JA; Gautam K; Pandey A; Bhandari P; Khati A; Sujan MSH; Dhakal M; Copenhaver MM; Adhikari TB; Shrestha R (Medicine, 2026)