Costs and Cost AnalysisHealth Care CostsCost-Benefit AnalysisDrug CostsCost of IllnessHospital CostsCost SavingsModels, EconomicDirect Service CostsAlternative SplicingModels, EconometricBones of Lower ExtremityDisposable EquipmentCost ControlPhysicians' OfficesHealth ResourcesLength of StayDecision TreesNebraskaRetrospective StudiesCost SharingUnited StatesAmbulatory Surgical ProceduresCost AllocationHospitalizationHospitals, UniversityTreatment OutcomeHealth Services ResearchAmbulatory CareGreat BritainProspective StudiesDiagnosis-Related GroupsInsecticidesTime FactorsSensitivity and SpecificityNational Health ProgramsOutcome Assessment (Health Care)Mass ScreeningPregnancyRandomized Controlled Trials as TopicProgram EvaluationQuality-Adjusted Life YearsEmployer Health CostsQuestionnaires