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Summary
No abstract available in PubMed .
Keywords:
AmericasContraceptionContraceptive AgentsContraceptive Agents, FemaleContraceptive Agents, Female--administraction and dosageContraceptive Agents, PostcoitalContraceptive Agents, Progestin--administraction and dosageContraceptive Agents--administraction and dosageDeveloped CountriesFamily PlanningFertility Control, PostcoitalLegislationLevonorgestrel--administraction and dosageNorth AmericaNorthern AmericaProduct ApprovalUnited States