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Placebo EffectDouble-Blind MethodCross-Over StudiesTreatment OutcomeAdministration, OralDrug Therapy, CombinationClinical Trials as TopicRandomized Controlled Trials as TopicDose-Response Relationship, DrugTime FactorsDrug Administration ScheduleSingle-Blind MethodPain MeasurementRandom AllocationAdministration, InhalationFollow-Up StudiesMutationBronchodilator AgentsProspective StudiesAnti-Inflammatory Agents, Non-SteroidalBlood PressurePainDelayed-Action PreparationsSeverity of Illness IndexAdministration, TopicalAnalysis of VarianceHeart RateAlbuterolDrug CombinationsAdministration, CutaneousPhytotherapyGastrointestinal AgentsRecurrenceInfusions, IntravenousAnti-Inflammatory AgentsPilot ProjectsMolecular Sequence DataHomeopathyIntention to Treat AnalysisAsthmaTreatment FailureAnalgesiaSulfonesSerotonin Uptake InhibitorsOintmentsQuality of LifeIndansPlant ExtractsAnalgesics, Non-NarcoticNauseaHypnotics and SedativesBudesonideNaproxenResearch DesignControlled Clinical Trials as TopicAcute DiseaseInjections, IntravenousChronic DiseaseAspirinPremedicationPiperidinesAntirheumatic AgentsAnalgesicsPatient ComplianceGlucocorticoidsCentral Nervous System StimulantsAntiemeticsAnalgesics, OpioidDrug InteractionsAngiotensin-Converting Enzyme InhibitorsAntihypertensive AgentsAcupuncture TherapySulfonamidesAntidepressive Agents, Second-GenerationPain, PostoperativeAtenololAntidepressive AgentsAdrenergic beta-AntagonistsBiological MarkersMetoprololIbuprofenHypoglycemic AgentsOndansetronPeak Expiratory Flow RateBase SequenceInjections, SubcutaneousHemodynamicsPhenotypeRecombinant ProteinsMateria MedicaVomitingAdministration, IntravaginalPropanolaminesQuinolinesBeclomethasoneLorazepamProbioticsStatistics, NonparametricCitalopramAffect