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Random AllocationInjections, EpiduralEdrophoniumRandomized Controlled Trials as TopicFluoroscopyResearch DesignAnesthetics, LocalResource AllocationDouble-Blind MethodTreatment OutcomeClinical Trials as TopicHealth Care RationingTissue and Organ ProcurementBiomassPatient SelectionClinical Trials, Phase III as TopicWaiting ListsTime FactorsClinical Trials, Phase II as TopicSex RatioSingle-Blind MethodClinical Trials, Phase I as TopicReproductionControlled Clinical Trials as TopicClinical ProtocolsPlacebosHealth ResourcesCost-Benefit AnalysisFollow-Up StudiesSample SizeProspective StudiesAttentionMulticenter Studies as TopicBudgetsUnited StatesRegional Health PlanningPlant Components, AerialOutcome Assessment (Health Care)Early Termination of Clinical TrialsSocial JusticeNitrogenPlant LeavesTissue DonorsDrug Administration ScheduleEnd Stage Liver DiseaseQuality of LifePilot ProjectsHealth PrioritiesClinical Trials Data Monitoring CommitteesAnalysis of VarianceSeverity of Illness IndexPlant RootsClutch SizePlant ShootsTurbellariaEthics, MedicalGreat BritainEvidence-Based MedicineSelection BiasQuestionnairesRisk FactorsSurvival AnalysisCosts and Cost AnalysisDrug Therapy, CombinationTreesModels, StatisticalLiver TransplantationFinancing, GovernmentBias (Epidemiology)Data Interpretation, StatisticalRisk AssessmentModels, TheoreticalPlacebo EffectPain MeasurementResearch SubjectsNeoplasmsModels, BiologicalHealth Care CostsDecision MakingReaction TimeSexual Behavior, AnimalEthical TheoryPlant StemsCarbonHealth ExpendituresExercise TherapyPatient ComplianceQuality-Adjusted Life YearsChoice BehaviorCombined Modality TherapyCarbon CycleAntineoplastic Combined Chemotherapy ProtocolsAccountingCross-Over StudiesSurvival RateRecurrenceEuphorbiaceaeInformed ConsentIntention to Treat AnalysisPhotosynthesis