title: [Risk groups in AIDS].
authors.forename: B
authors.initials: B
authors.lastname: Clotet
authors.forename: A
authors.initials: A
authors.lastname: Casals
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000635:transmission*; D001782:Blood Donors; D006801:Humans; D012307:Risk Factors; D012725:Sexual Behavior; D015819:Substance Abuse, Intravenous
vernacular_title: Grupos de riesgo en el SIDA.