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Placebo EffectDouble-Blind MethodWorkCross-Over StudiesTreatment OutcomeAdministration, OralWork Schedule ToleranceWork Capacity EvaluationDrug Therapy, CombinationRandomized Controlled Trials as TopicTime FactorsReturn to WorkDose-Response Relationship, DrugClinical Trials as TopicDrug Administration ScheduleSingle-Blind MethodPain MeasurementFollow-Up StudiesRandom AllocationProspective StudiesPainBlood PressureAnalysis of VarianceAdministration, InhalationSeverity of Illness IndexBronchodilator AgentsAnti-Inflammatory Agents, Non-SteroidalHeart RateDelayed-Action PreparationsPhytotherapyAdministration, TopicalPilot ProjectsAdministration, CutaneousOccupational DiseasesEmploymentAlbuterolOccupational HealthGastrointestinal AgentsWorkplaceRecurrenceDrug CombinationsInfusions, IntravenousAnti-Inflammatory AgentsWorkloadQuality of LifeQuestionnairesResearch DesignIntention to Treat AnalysisHomeopathyAsthmaSerotonin Uptake InhibitorsPlant ExtractsAnalgesiaChronic DiseaseSulfonesControlled Clinical Trials as TopicHypnotics and SedativesTreatment FailureIndansNauseaAnalgesics, Non-NarcoticCentral Nervous System StimulantsNaproxenAntirheumatic AgentsAnalgesicsRisk FactorsSick LeaveAcute DiseasePhysical ExertionAspirinPatient ComplianceInjections, IntravenousAntidepressive AgentsPremedicationOintmentsAntiemeticsHemodynamicsDrug InteractionsAcupuncture TherapyPiperidinesJob SatisfactionAntidepressive Agents, Second-GenerationAnalgesics, OpioidAdrenergic beta-AntagonistsAntihypertensive AgentsBiological MarkersAffectAngiotensin-Converting Enzyme InhibitorsSafetyBudesonideSulfonamidesGlucocorticoidsPain, PostoperativeHypoglycemic AgentsIbuprofenInjections, SubcutaneousEfficiencyAtenololAmitriptylineMetoprolol