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Abstract
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Keywords:
AmericasAsiaBiologyCanadaClinical ResearchClinical TrialsContraceptionContraception ResearchContraception, Immunological--womenContraceptive EffectivenessDeveloped CountriesDeveloping CountriesEndocrine SystemFamily PlanningGonadotropinsGonadotropins, ChorionicHormonesIndiaNorth AmericaNorthern AmericaPhysiologyResearch MethodologyResearch ReportReversibilitySouthern AsiaVaccines