Contraception · 1987 · 24 citations · 8 references
MedicineGynecologyObstetricsContraceptionReproductive HealthReproductive MedicineContraceptive MethodsContraceptive PharmacotherapyContraceptive SafetyContraceptive UseFemale ContraceptionIntrauterine ContraceptionEstrogen-progestin ContraceptionLevonorgestrel Intrauterine System TreatmentLevonorgestrel-releasing Intrauterine System
8
Recommended Procedures for the Statistical Evaluation of Intrauterine Contraception
Sarah Lewit · 1987 · 173 citations
Medicine, Gynecology, Obstetrics +11