We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSubstance use and sexual risk: a participant- and episode-level analysis among a cohort of men who have sex with men.AuthorsColfax G; Vittinghoff E; Husnik MJ; McKirnan D; Buchbinder S; Koblin B; Celum C; Chesney M; Huang Y; Mayer K; Bozeman S; Judson FN; Bryant KJ; Coates TJPublicationAmerican journal of epidemiology, 2004, Vol 159, Issue 10, p1002ISSN0002-9262Publication typearticleDOI10.1093/aje/kwh135