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Abstract
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Keywords:
Acquired Immunodeficiency Syndrome--prevention and controlAdolescentsAge FactorsAmericasBarrier MethodsBehaviorBlacksCommunicationCondomContraceptionContraceptive MethodsCultural BackgroundDemographic FactorsDeveloped CountriesDiseasesEconomic FactorsEducationEducational ActivitiesEducational TechnicsEthnic GroupsFamily PlanningHiv Infections--prevention and controlKnowledge SourcesLongitudinal StudiesLow Income PopulationNorth AmericaNorthern AmericaPeer GroupsPopulationPopulation CharacteristicsResearch MethodologyResearch ReportRisk Behavior--changesRisk Reduction BehaviorSex BehaviorSex EducationSocial ClassSocioeconomic FactorsSocioeconomic StatusStudiesUnited StatesViral DiseasesYouth