title: [A good abstract is worth more than a thousand words].
authors.forename: J
authors.initials: J
authors.lastname: Sánchez Alvarez
mesh_terms: D000043:Abstracting and Indexing; D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology; D006801:Humans; D010506:Periodicals as Topic; D012307:Risk Factors; D013030:Spain / Q000453:epidemiology; D015819:Substance Abuse, Intravenous / Q000453:epidemiology
vernacular_title: Un buen resumen vale más que mil palabras.