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Summary
No abstract available in PubMed .
Keywords:
AmenorrheaBiologyBreast CancerCancerCervical CancerContraceptionContraceptive Methods--side effectsDiseasesEndocrine SystemEndometrial CancerEstrogensFamily PlanningGonadotropinsGonadotropins, ChorionicHepatic EffectsHormonesLiterature ReviewMenopauseMenstruation DisordersNeoplasmsOral Contraceptives--side effectsOvarian CancerPhysiologyProgesterone