Contraception · 1974 · 45 citations · 5 references
MedicinePreventive MedicineContraceptionFamily PlanningReproductive HealthContraceptive EffectivenessContraceptive MethodsContraceptive UseSafer Sex PracticesSexual HealthSexually Transmitted Infection PreventionAttitudes Toward Condom UseCondom Use BehaviorContraceptive Effectiveness MeasurementFemale Condom EffectivenessPerceived Condom Effectiveness
5
The Third Child: A Study in the Prediction of Fertility.
Nathan Keyfitz, Charles F. Westoff, Robert G. Potter et al. · American Sociological Review · 1964 · 105 citations
STATISTICAL EVALUATION OF CONTRACEPTIVE METHODS
Christopher Tietze, Sarah Lewit · Clinical Obstetrics & Gynecology · 1974 · 27 citations
Medicine, Biostatistics, Gynecology +12