Vitamin K DeficiencyVitamin K Deficiency BleedingVitamin KVitamin K 1Prothrombin TimeVitamin K 2Chewing GumHypoprothrombinemiasVitamin K 3ProthrombinElder Nutritional Physiological PhenomenaAntifibrinolytic AgentsPlant GumsBlood Coagulation TestsHemorrhagic DisordersPartial Thromboplastin TimeCollagenVitamin A1-Carboxyglutamic AcidVitaminsOsteocalcinIntracranial HemorrhagesHemorrhageProtein PrecursorsPotassium DeficiencyGum ArabicVitamin DBlood Coagulation DisordersVitamin EVitamin K Epoxide ReductasesVitamin A DeficiencyVitamin B 12Infant, NewbornCollagen Type IVitamin D DeficiencyPrimary PreventionBiological MarkersCathepsin KVitamin B 12 DeficiencyVitamin E DeficiencyFibrillar CollagensKaraya GumCarbon-Carbon LigasesGalactans