Vitamin K DeficiencyVitamin K Deficiency BleedingVitamin KVitamin K 1Prothrombin TimeVitamin K 2HypoprothrombinemiasChewing GumVitamin K 3ProthrombinElder Nutritional Physiological PhenomenaAntifibrinolytic AgentsPlant GumsHemorrhagic DisordersBlood Coagulation TestsPartial Thromboplastin TimeVitamin A1-Carboxyglutamic AcidVitaminsOsteocalcinIntracranial HemorrhagesHemorrhagePotassium DeficiencyProtein PrecursorsVitamin DBlood Coagulation DisordersGum ArabicVitamin EVitamin K Epoxide ReductasesVitamin A DeficiencyVitamin B 12Infant, NewbornVitamin D DeficiencyPrimary PreventionBiological MarkersVitamin B 12 DeficiencyCathepsin KVitamin E DeficiencyKaraya GumCarbon-Carbon LigasesGalactans