title: [Comment. "Sex buddies"].
authors.affiliation: Servicio de Epidemiología. Agencia de Salud Pública de Barcelona. Barcelona. España.
authors.forename: Patricia
authors.initials: P
authors.lastname: García de Olalla
mesh_terms: D001294:Attitude to Health; D001727:Bisexuality; D018562:Disease Transmission, Infectious / Q000517:prevention & control*; D015658:HIV Infections / Q000453:epidemiology / Q000517:prevention & control* / Q000635:transmission; D006266:Health Education; D018451:Homosexuality, Male; D006801:Humans; D008297:Male; D021841:Safe Sex / Q000523:psychology; D047568:Unsafe Sex / Q000523:psychology