Fertility and Sterility · 1991 · 43 citations · 13 references
MedicineGynecologyObstetricsReproductive EndocrinologyReproductive MedicineReproductive PhysiologyContraceptive EfficacyHormonal ContraceptionLuteal FunctionOvulatory DisordersOvulatory DysfunctionReproductive PharmacologyHormonal Contraceptive PharmacologyHormonal Contraceptive TherapyLevonorgestrel-releasing Intrauterine SystemOvulatory Dysfunction ManagementResistance To Ovulation InductionSubdermal Implants
13
International Experience with NORPLANT and NORPLANT-2 Contraceptives
Irving Sivin · Studies in Family Planning · 1988 · 237 citations
Medicine, Gynecology, Obstetrics +15