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Summary
No abstract available in PubMed .
Keywords:
AdolescentsAdolescents, FemaleAdolescents, MaleAge FactorsAmenorrheaAsiaBiologyChild DevelopmentChlamydiaClinic ActivitiesContraceptionContraceptive AgentsContraceptive Agents, FemaleContraceptive MethodsCounselingDemographic FactorsDeveloped CountriesDeveloping CountriesDiseasesEastern AsiaFamily PlanningInfectionsJapanMenstruation DisordersOral ContraceptivesOrganization And AdministrationPopulationPopulation CharacteristicsProgram ActivitiesProgram EvaluationProgramsReproductive Tract InfectionsService StatisticsSexually Transmitted DiseasesYouth