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Outcome Assessment (Health Care)Treatment OutcomeRecovery of FunctionHealth StatusDisability EvaluationPublic HealthQuality of LifeFollow-Up StudiesProspective StudiesActivities of Daily LivingTime FactorsDelivery of Health CareRetrospective StudiesResearch DesignSeverity of Illness IndexStrokeOutcome and Process Assessment (Health Care)Injections, EpiduralSports MedicineHealth SurveysRange of Motion, ArticularReproducibility of ResultsHealth PolicyPatient SatisfactionHealth PromotionQuestionnairesMental HealthPatient Outcome AssessmentRandomized Controlled Trials as TopicHealth Care ReformEmpirical ResearchRisk AssessmentHealthPain MeasurementFluoroscopyAttitude to HealthCohort StudiesPrimary Health CareHealth Care SurveysSingle-Blind MethodQuality of Health CarePredictive Value of TestsSpinal StenosisChronic DiseaseHealth PlanningHealth Services AccessibilityHealth BehaviorPhysical Therapy ModalitiesHealth ServicesProgram EvaluationPilot ProjectsHealth PersonnelInsurance, HealthWorld HealthHealth Status IndicatorsClinical Trials as TopicHealth Services ResearchHealth Services Needs and DemandLongitudinal StudiesHealth EducationPrognosisEducational MeasurementOral HealthHealth Knowledge, Attitudes, PracticeUnited StatesRisk FactorsLow Back PainPregnancy OutcomeDouble-Blind MethodCost-Benefit AnalysisLumbosacral RegionHealth ExpendituresEvidence-Based MedicinePublic Health AdministrationEnvironmental HealthClinical ProtocolsIntervertebral Disc DisplacementPatient SelectionCurriculumPsychometricsOccupational HealthPatient Acceptance of Health CareHealth Status DisparitiesEducation, DentalCross-Sectional StudiesRadiculopathyAnesthetics, LocalLumbar VertebraeHealth Care RationingMental Health ServicesObserver VariationAge FactorsNational Health ProgramsLogistic ModelsDelivery of Health Care, IntegratedHealth PrioritiesBrain IschemiaPublic Health PracticePostoperative ComplicationsAttitude of Health Personnel