21. Pensando en ti Publication: [Peru] : Centro Juvenil Futuro, Inppares, [19--?] Subject(s): ContraceptionSexually Transmitted DiseasesAdolescent Health Services
22. VI Congreso Latinoamericano de Enfermedades de Transmisión Sexual ULACETS--UECETS Publication: [Ecuador? : ULACETS, 1987] Subject(s): Sexually Transmitted Diseases