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Summary
No abstract available in PubMed .
Keywords:
AmericasClinical ResearchClinical TrialsContraceptionContraceptive AgentsContraceptive Agents, FemaleContraceptive Agents, ProgestinContraceptive Implants--beneficial effectsContraceptive Methods--beneficial effectsDesogestrelDeveloped CountriesEconomic FactorsEvaluationEvaluation ReportFamily PlanningLegislationMarketingNorth AmericaNorthern AmericaProduct ApprovalResearch MethodologyUnited States