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Summary
No abstract available in PubMed .
Keywords:
AmericasContraceptionContraceptive AgentsContraceptive Agents, FemaleContraceptive Agents, PostcoitalContraceptive Agents, ProgestinDeveloped CountriesDistributional ActivitiesEconomic FactorsFamily PlanningLegislationLevonorgestrelMarketingNorth AmericaNorthern AmericaOrganization And AdministrationProduct ApprovalProgram ActivitiesProgramsUnited States