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Summary
No abstract available in PubMed .
Keywords:
AmericasContraceptionContraceptive AgentsContraceptive Agents, FemaleContraceptive Agents, ProgestinContraceptive MethodsDeveloped CountriesFamily PlanningGovernment AgenciesIudIud, Hormone ReleasingLegislationLevonorgestrelNorth AmericaNorthern AmericaOrganizationsProduct ApprovalUnited StatesUsfdaUsphs