Homeless YouthHealth Services AccessibilityHealth ServicesHealth Services Needs and DemandMental Health ServicesFamily Planning ServicesHome Care ServicesHealth Services ResearchCommunity Health ServicesAdolescent Health ServicesUnited StatesRural Health ServicesAdolescent BehaviorChild Health ServicesPreventive Health ServicesHealth Services for the AgedReproductive Health ServicesCommunity Mental Health ServicesMaternal Health ServicesEmergency Medical ServicesQuestionnairesLibrary ServicesContract ServicesDiagnostic ServicesSubstance-Related DisordersNursing ServicesJuvenile DelinquencyUrban Health ServicesDelivery of Health CareHealth Services AdministrationCross-Sectional StudiesWomen's Health ServicesState MedicineMental DisordersGenetic ServicesPatient Acceptance of Health CareUnited States Dept. of Health and Human ServicesRisk-TakingSocial WorkReferral and ConsultationAdolescent PsychologySocioeconomic FactorsInterviews as TopicProgram EvaluationHealth Care SurveysEmergency Service, HospitalDental Health ServicesCenters for Medicare and Medicaid Services (U.S.)Great BritainPeer GroupViolenceUrban PopulationHealth Services, IndigenousSchool Health ServicesPrimary Health CareQuality of Health CareEnglandLongitudinal StudiesData CollectionParent-Child RelationsPrevalenceOccupational Health ServicesSexual BehaviorMarketing of Health ServicesPatient SatisfactionPersonal Health ServicesSchoolsNeeds AssessmentRural PopulationHealth PromotionInternetRisk FactorsParentsHIV InfectionsQualitative ResearchAdvertising as TopicAttitude to HealthEmergency Services, PsychiatricNational Health ProgramsFocus GroupsDelivery of Health Care, IntegratedHealth PolicyLogistic ModelsModels, OrganizationalPharmaceutical ServicesCanadaFinancing, GovernmentCaliforniaSocial EnvironmentConsumer SatisfactionAmbulatory CareInsurance, Physician ServicesHealth SurveysProgram DevelopmentSocial SupportCosts and Cost AnalysisFamilyHealth EducationHealth Care CostsAdolescent Development