WarfarinVitamin AVitaminsVitamin DVitamin EAnticoagulantsVitamin B 12Vitamin A DeficiencyVitamin K Epoxide ReductasesVitamin D DeficiencyVitamin K 1Vitamin B 6Vitamin E DeficiencyVitamin K DeficiencyVitamin B 12 DeficiencyProthrombin TimeHemorrhageAtrial FibrillationThromboembolismVitamin B 6 DeficiencyMixed Function OxygenasesCholecalciferolAscorbic Acidbeta-AlanineAryl Hydrocarbon HydroxylasesVitamin KDietary SupplementsRodenticidesPharmacogeneticsReceptors, CalcitriolVitamin D-Binding ProteinVitamin K 2PyridoxineCarbon-Carbon LigasesStrokeCalcifediolDrug InteractionsAdministration, OralCalcitriolDose-Response Relationship, DrugErgocalciferolsAspirin4-HydroxycoumarinsDrug MonitoringVitamin B DeficiencyDietBlood CoagulationAntioxidantsVitamin K 3Drug Dosage CalculationsBenzimidazolesRisk FactorsIntracranial HemorrhagesFolic AcidDouble-Blind MethodVitamin K Deficiency BleedingTime FactorsAvitaminosisTreatment OutcomeSunlightbeta CaroteneRicketsGenotypeNutritional Statusalpha-TocopherolEmbolismHerb-Drug InteractionsVenous ThrombosisThrombosisProspective StudiesPlatelet Aggregation InhibitorsAcenocoumarolSodium-Coupled Vitamin C TransportersHypoprothrombinemiasRodent Control25-Hydroxyvitamin D3 1-alpha-HydroxylaseThrombophlebitisCohort StudiesHomocysteineHydroxycholecalciferolsNutritional RequirementsTocopherolsPyridonesCytochrome P-450 Enzyme SystemTranscobalaminsPhenylbutazoneFood, FortifiedLiverVenous ThromboembolismHeparin, Low-Molecular-WeightFollow-Up Studies25-Hydroxyvitamin D 2Parathyroid Hormone