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文献信息
Natural Family PlanningFamily PlanningOral ContraceptivesOral ContraceptiveIntrauterine DeviceReproductive HealthIntrauterine DevicesContraceptive MethodsPelvic Inflammatory DiseaseIntrauterine ContraceptionContraceptionPregnancy RateReproductive Health AwarenessContraceptive MethodMenstrual CycleFemale SterilizationETHINYL ESTRADIOLIntrauterine Contraceptive DevicesClinical PerformanceOral Contraception
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vol.1 (1985)