title: [Seroprevalence of human immunodeficiency virus infection at an emergency service of a urban area].
authors.forename: J
authors.initials: J
authors.lastname: Casabona
authors.forename: M
authors.initials: M
authors.lastname: Vall Mayans
mesh_terms: D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D015528:HIV Seroprevalence; D006801:Humans; D014504:Urban Health
vernacular_title: Seroprevalencia de la infección por el virus de la inmunodeficiencia humana en un servicio de urgencias de un área urbana.