Vitamin K DeficiencyVitamin K Deficiency BleedingHypervitaminosis AVitamin KVitamin K 1Vitamin AProthrombin TimeVitamin K 2HypoprothrombinemiasVitamin K 3ProthrombinTissue Culture TechniquesElder Nutritional Physiological PhenomenaAntifibrinolytic AgentsBlood Coagulation TestsHemorrhagic DisordersPartial Thromboplastin Time1-Carboxyglutamic AcidVitaminsOsteocalcinIntracranial HemorrhagesHemorrhageProtein PrecursorsPotassium DeficiencyVitamin DBlood Coagulation DisordersVitamin EVitamin K Epoxide ReductasesVitamin A DeficiencyVitamin B 12Infant, NewbornVitamin D DeficiencyPrimary PreventionBiological MarkersCathepsin KVitamin B 12 DeficiencyVitamin E DeficiencyCarbon-Carbon Ligases