Archives of Family Medicine · 2000 · 12 citations · 0 references
MedicineGynecologyObstetricsContraceptionReproductive HealthReproductive MedicineAntibiotic ResistanceContraceptive FailureContraceptive PharmacotherapyContraceptive SafetyContraceptive Side EffectsContraceptive UseContraceptive Failure CausesOral Contraceptive FailureOral Contraceptive Safety