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Prospective study of contraception with levonorgestrel
Summary
No abstract available in PubMed .
Keywords:
BehaviorBulgariaContraceptionContraceptive AgentsContraceptive Agents, FemaleContraceptive Agents, Female--side effectsContraceptive Agents, Postcoital--side effectsContraceptive Agents, ProgestinContraceptive Agents--side effectsContraceptive EffectivenessDeveloped CountriesEastern EuropeEuropeFamily PlanningLevonorgestrelProspective StudiesResearch MethodologyStudiesUser Compliance