Costs and Cost AnalysisHealth Care CostsCost-Benefit AnalysisDrug CostsCost of IllnessHospital CostsCost SavingsModels, EconomicDirect Service CostsConduct DisorderModels, EconometricBones of Lower ExtremityCost ControlDisposable EquipmentPhysicians' OfficesHealth ResourcesLength of StayUnited StatesDecision TreesRetrospective StudiesNebraskaCost SharingAmbulatory Surgical ProceduresTreatment OutcomeCost AllocationHospitalizationHospitals, UniversityHealth Services ResearchGreat BritainProspective StudiesAmbulatory CareTime FactorsDiagnosis-Related GroupsRandomized Controlled Trials as TopicInsecticidesOutcome Assessment (Health Care)Mass ScreeningSensitivity and SpecificityNational Health ProgramsProgram EvaluationPregnancyQuestionnairesEmployer Health CostsFollow-Up StudiesQuality-Adjusted Life Years