WarfarinAnticoagulantsVitamin K Epoxide ReductasesProthrombin TimeHemorrhageAtrial FibrillationThromboembolismMixed Function Oxygenasesbeta-AlanineVitamin KAryl Hydrocarbon HydroxylasesPharmacogeneticsRodenticidesComparative Effectiveness ResearchTreatment OutcomeCost-Benefit AnalysisStrokeAspirinDrug MonitoringDrug InteractionsVitamin K 1Drug Dosage Calculations4-HydroxycoumarinsBenzimidazolesBlood CoagulationIntracranial HemorrhagesAdministration, OralRandomized Controlled Trials as TopicTime FactorsDose-Response Relationship, DrugEmbolismFollow-Up StudiesRetrospective StudiesVenous ThrombosisHerb-Drug InteractionsProspective StudiesPlatelet Aggregation InhibitorsQuality-Adjusted Life YearsRodent ControlThrombosisRisk FactorsAcenocoumarolCarbon-Carbon LigasesThrombophlebitisVitamin K DeficiencyDrug Therapy, CombinationPyridonesPhenylbutazoneVenous ThromboembolismHeparin, Low-Molecular-WeightCohort StudiesProgram EvaluationAntithrombins