Social BehaviorSocial SupportEmergency Service, HospitalSocial EnvironmentSocial IsolationUnited StatesSocial ClassSocial PerceptionSocial AdjustmentNational Institutes of Health (U.S.)Social DominanceSocial WorkSocial MediaHospital DepartmentsHierarchy, SocialSocial SciencesNational Health ProgramsSocial ChangeSocial DistanceQuestionnairesSocial ConditionsSocial ValuesSocial ProblemsSocial SecurityRisk FactorsSocial Behavior DisordersSocial WelfareCross-Sectional StudiesSocial JusticeGreat BritainSocial IdentificationData CollectionSocial DesirabilityPsychology, SocialHealth SurveysUnited States Department of Veterans AffairsRetrospective StudiesSocial ParticipationAge FactorsPrevalencePopulation SurveillanceSocial ConformitySex FactorsProspective StudiesTime FactorsSocial MarketingPublic Health AdministrationSocial FacilitationRadiology Department, HospitalSocioeconomic FactorsPhobic DisordersNational Library of Medicine (U.S.)Wounds and InjuriesSocial AlienationNational Cancer Institute (U.S.)Health Care SurveysSocial MedicineNational Center for Health Statistics (U.S.)EmergenciesLogistic ModelsEmergency Medical ServicesInfant, NewbornStress, PsychologicalGovernment AgenciesHealth StatusCohort StudiesEmergency MedicineTriageIncidenceHealth PolicyPublic HealthTreatment OutcomeHealth Services AccessibilityInterviews as TopicEnglandResidence CharacteristicsFollow-Up StudiesHospitalizationSocial ResponsibilityRegistriesLongitudinal StudiesUnited States Department of DefenseState MedicineCooperative BehaviorHistory, 20th CenturyCanadaEducational StatusLocal GovernmentProgram EvaluationRegression AnalysisPovertyUrban PopulationNutrition SurveysRisk AssessmentNational Heart, Lung, and Blood Institute (U.S.)Health PromotionPathology Department, HospitalQuality of LifePractice Guidelines as TopicBehavior, Animal