1. La tierra: la mujer Publication: [Alexandria, Va. : American Home Economics Association, 19--] Subject(s): Family Planning ServicesPrenatal CareBirth IntervalsWomen's Health
2. Espaciar los embarazos-- Publication: [Honduras] : Ministerio de Salud Pública, División de Educación para la Salud : Johns Hopkins University, Population Communication Services, [19--?] Subject(s): Family Planning ServicesBirth IntervalsMaternal Welfare
3. Para tener hijos tienes mucho tiempo--: espácialos, usa pildoras Microgynon Publication: [Colombia] : PROFAMILIA, [19--?] Subject(s): Birth IntervalsContraceptives, Oral, CombinedEthinyl Estradiol-Norgestrel Combination