Vitamin KVitamin K Deficiency BleedingVitamin K DeficiencyVitamin K 1International Normalized RatioAdministration, OralVitamin K 2Vitamin AAnticoagulantsVitaminsVitamin DVitamin B 12Vitamin EVitamin K 3Vitamin A DeficiencyCholecalciferolVitamin B 12 DeficiencyVitamin D DeficiencyVitamin K Epoxide ReductasesAscorbic AcidDietary SupplementsXerophthalmiaVitamin B ComplexMethylmalonic AcidCalcifediolCarbon-Carbon LigasesInjections, IntramuscularVitamin B 6Vitamin E DeficiencyDouble-Blind MethodHomocysteineWarfarinHyperhomocysteinemiaAntioxidantsDose-Response Relationship, Drug4-HydroxycoumarinsVitamin B 6 DeficiencyK562 CellsProthrombin TimeAntifibrinolytic AgentsOsteocalcinProthrombinInfant, NewbornMixed Function OxygenasesReceptors, CalcitriolVitamin D-Binding ProteinHypoprothrombinemiasDietPyridoxineTreatment Outcome1-Carboxyglutamic AcidNutritional StatusRodenticidesPhenprocoumonCalcitriolAvitaminosisVitamin B DeficiencyErgocalciferols