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Maternal WelfareNational Longitudinal Study of Adolescent HealthAdolescent Health ServicesAnimal WelfareSocial WelfareAdolescent BehaviorAdolescent PsychologyAdolescent MedicineHealth StatusChild WelfareLongitudinal StudiesHealth SurveysHealth BehaviorPublic HealthAdolescent DevelopmentMental HealthHealth PromotionDelivery of Health CareUnited StatesRisk-TakingPeer GroupAttitude to HealthParent-Child RelationsSocioeconomic FactorsHealth PolicyQuestionnairesHealth Services AccessibilityCross-Sectional StudiesHealth Care ReformFriendsSchoolsHealth EducationSex FactorsHealth Services Needs and DemandHealth Status DisparitiesHealth Knowledge, Attitudes, PracticePregnancy in AdolescenceSubstance-Related DisordersHealthLogistic ModelsInterpersonal RelationsSexual BehaviorHealth Care SurveysSchool Health ServicesAge FactorsSelf ConceptHealth PlanningPrevalencePrimary Health CareViolenceSocial EnvironmentParentsReproductive Health ServicesInsurance, HealthQuality of Health CareAlcohol DrinkingWorld HealthSmokingParentingChild AbuseHealth PersonnelCrime VictimsDepressionHealth ServicesSexualityFamily CharacteristicsResidence CharacteristicsHealth Services ResearchOral HealthRisk FactorsInterviews as TopicEducational StatusObesityAfrican AmericansHealth ExpendituresMental Health ServicesAid to Families with Dependent ChildrenPatient Acceptance of Health CarePublic Health AdministrationCoitusSocial ClassCourtshipChild Health ServicesSocial SupportSexually Transmitted DiseasesPediatricsOccupational HealthSuicide, AttemptedNational Health ProgramsAdolescent PsychiatryEnvironmental HealthEthnic GroupsBody Mass IndexUrban HealthHealth PrioritiesRegression AnalysisDelivery of Health Care, IntegratedWomen's HealthRural HealthAdolescent Nutritional Physiological Phenomena