822. El 12 de Octubre de 1992, Mexico brindara al mundo una poblacion infantil univeralmente vacunada Publication: [1992]
828. SIDA y la familia Publication: [Paris] : UNESCO, 1994 Subject(s): Acquired Immunodeficiency Syndrome -- prevention & controlFamily
829. Es tiempo de actuar Author(s): Jost, Monika. Publication: [Paris] : Programme of Education for the Prevention of AIDS, 1993 Subject(s): Acquired Immunodeficiency Syndrome -- prevention & control
830. Año internacional de la familia Publication: [Paris] : UNESCO, 1994 Subject(s): Acquired Immunodeficiency Syndrome -- prevention & controlSubstance-Related Disorders -- prevention & controlFamily