title: [Acquired immunodeficiency syndrome (AIDS): a world challenge].
mesh_terms: D000386:AIDS-Related Complex / Q000453:epidemiology / Q000635:transmission; D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology* / Q000635:transmission; D014943:Global Health; D006801:Humans; D009894:Opportunistic Infections / Q000453:epidemiology / Q000635:transmission; D012897:Slow Virus Diseases / Q000453:epidemiology / Q000635:transmission
vernacular_title: Síndroma de imunodeficiência adquirida (SIDA): um desafio mundial.