1. Are you sure you know what family planning is all about? Publication: [Washington, D.C.] : U.S. Department of Health, Education, and Welfare, Public Health Service, [197-?] Subject(s): Family Planning ServicesVasectomyContraception
2. Vasectomia sin bisturi: una nueva opcion Publication: [Mexico] : Dirección General de Planificación Familiar, Secretaria de Salud, [19--?] Subject(s): VasectomyContraception