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Adolescent Health ServicesNational Longitudinal Study of Adolescent HealthAlcohol DrinkingAdolescent BehaviorAdolescent PsychologyHealth ServicesAdolescent MedicineHealth Services AccessibilityMental Health ServicesHealth Services Needs and DemandHealth StatusAlcoholsHealth Services ResearchReproductive Health ServicesHealth SurveysLongitudinal StudiesUnited StatesDelivery of Health CareHealth BehaviorPublic HealthQuestionnairesMental HealthHealth PromotionCommunity Health ServicesSocioeconomic FactorsChild Health ServicesRural Health ServicesAdolescent DevelopmentHealth PolicyAttitude to HealthRisk-TakingCross-Sectional StudiesHealth Care ReformPeer GroupHealth Care SurveysCommunity Mental Health ServicesPrimary Health CareMaternal Health ServicesSubstance-Related DisordersParent-Child RelationsPreventive Health ServicesPatient Acceptance of Health CareSchool Health ServicesHealth EducationQuality of Health CareAlcoholismSex FactorsLogistic ModelsHealth PlanningHealth Knowledge, Attitudes, PracticeHealth Services for the AgedHealth Services AdministrationOccupational Health ServicesPrevalenceSchoolsState MedicineFamily Planning ServicesHealth Status DisparitiesFriendsSexual BehaviorPregnancy in AdolescenceNational Health ProgramsInsurance, HealthAge FactorsInterviews as TopicAlcohol DehydrogenaseHealth ExpendituresRisk FactorsViolencePublic Health AdministrationWomen's Health ServicesUrban Health ServicesEthanolHealthHealth PersonnelMental DisordersInterpersonal RelationsHealth Services, IndigenousUnited States Public Health ServiceSmokingGreat BritainSocial EnvironmentDelivery of Health Care, IntegratedSelf ConceptHome Care ServicesParentsChild WelfareDepressionResidence CharacteristicsWorld HealthUnited States Indian Health ServiceHealth Care RationingEducational StatusAttitude of Health PersonnelPregnancyHealth PrioritiesRural HealthFamily CharacteristicsAfrican AmericansSexually Transmitted Diseases