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Social SecurityRetirementUnited States Social Security AdministrationHealth Care ReformSecurity MeasuresComputer SecuritySocial BehaviorInsurance, DisabilitySocial SupportPensionsEligibility DeterminationUnited StatesFood SupplySocial EnvironmentFraudSocial IsolationEmploymentSocial ClassInsurance BenefitsSocial PerceptionMexicoDisabled PersonsOld Age AssistanceSocial AdjustmentPatient Identification SystemsSocial DominanceState GovernmentSocioeconomic FactorsSocial MediaMedicareSocial WorkSocial ChangeHealth StatusHierarchy, SocialSocial SciencesPoliticsPatient Protection and Affordable Care ActConfidentialityQuestionnairesInsurance, HealthSocial WelfareIncomeCenters for Medicare and Medicaid Services (U.S.)Disability EvaluationPrivacyEl SalvadorPhysician Self-ReferralHealth ExpendituresObject AttachmentHealth PolicySocial DistanceUnemploymentRehabilitation, VocationalAgricultureSocial ProblemsNational Health ProgramsSocial JusticeIncome TaxSocial ValuesInsurance CoverageCross-Sectional StudiesAge FactorsData CollectionMortalitySick LeaveSocial ConditionsDurable Medical EquipmentRisk FactorsOccupational DiseasesCost SharingMedicaidSocial Behavior DisordersMedicare Part BDelivery of Health CareHungerFinancing, GovernmentHealth Services AccessibilityHealth Benefit Plans, EmployeePovertyLongitudinal StudiesGreat BritainWork Capacity EvaluationPsychology, SocialInsurance Claim ReviewNational Health Insurance, United StatesSocial DesirabilityCohort StudiesHousing for the ElderlySex FactorsUrbanizationComputer Communication NetworksSocial IdentificationMedical Records Systems, ComputerizedWorkers' CompensationSocial ParticipationStress, PsychologicalProspective Payment SystemSocial ConformityTime FactorsInsurance, Health, Reimbursement