We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleHuman immunodeficiency virus infection in Mexico City. Rectal bleeding and anal warts as risk factors among men reporting sex with men.AuthorsCoplan PM; Gortmaker S; Hernandez-Avila M; Spiegelman D; Uribe-Zuñiga P; Mueller NEPublicationAmerican journal of epidemiology, 1996, Vol 144, Issue 9, p817ISSN0002-9262Publication typearticleDOI10.1093/oxfordjournals.aje.a009016