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Abstract
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Keywords:
AdolescentsAdolescents, MaleAge FactorsAmericasBehaviorCommunicationContraceptionContraceptive UsageDemographic FactorsDeveloping CountriesDiseasesEducationFamily PlanningHeterosexualsHomosexualsInfectionsInformation DistributionLatin AmericaOrganizationsPeruPhilosophical OverviewPopulationPopulation CharacteristicsProstitutesReproductive Tract InfectionsSex BehaviorSex EducationSexually Transmitted Diseases--prevention and controlSouth AmericaVoluntary Health AgenciesYouth