title: [Syphilis again?].
authors.forename: Valvanera
authors.initials: V
authors.lastname: Ibarra
authors.forename: José A
authors.initials: JA
authors.lastname: Oteo
mesh_terms: D014943:Global Health; D006801:Humans; D012307:Risk Factors; D013030:Spain / Q000453:epidemiology; D013587:Syphilis / Q000175:diagnosis / Q000453:epidemiology*