Contraception · 2009 · 35 citations · 25 references
MedicineGynecologyObstetricsContraceptionReproductive EndocrinologyReproductive MedicineContraceptive EffectivenessContraceptive EfficacyContraceptive MethodsContraceptive SafetyFemale ContraceptionHormonal ContraceptionContinuous ContraceptionContinuous Oral ContraceptivesEstrogen-progestin ContraceptionHormonal Contraceptive TherapyOral Contraceptive Safety
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Poulter Nr, Chang Cl, Farley Tm et al. · PubMed · 1995 · 404 citations
Medicine, Gynecology, Obstetrics +17