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Sponge proves highly effective after second year of comparative trials

    Contraceptive Technology Update
    |January 1, 1986
    PubMed
    Summary

    No abstract available in PubMed .

    Keywords:
    AmericasBarrier MethodsClinical ResearchContraceptionContraceptive EffectivenessContraceptive MethodsDemographic FactorsDeveloped CountriesDeveloping CountriesEconomic FactorsEvaluationFamily PlanningFertilityFertility MeasurementsMeasurementNorth AmericaNorthern AmericaParityPopulationPopulation DynamicsPregnancy RateQualitative EvaluationResearch And DevelopmentResearch MethodologyTechnologyUnited StatesUse-effectivenessVaginal Barrier MethodsVaginal DiaphragmVaginal Sponge

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