Contraception · 2003 · 133 citations · 20 references
MedicineGynecologyObstetricsContraceptionFamily PlanningReproductive HealthContraceptive EffectivenessContraceptive EfficacyContraceptive MethodsContraceptive SafetyContraceptive UseEmergency ContraceptionContraceptive Effectiveness MeasurementContraceptive Method EffectivenessEmergency Contraceptive Pills
20