Vitamin K DeficiencyVitamin K Deficiency BleedingVitamin KVitamin K 1Prothrombin TimeVitamin K 2HypoprothrombinemiasVitamin K 3ProthrombinVitamin AElder Nutritional Physiological PhenomenaAntifibrinolytic AgentsVitaminsVitamin DVitamin EVitamin A DeficiencyBlood Coagulation TestsVitamin B 12Hemorrhagic DisordersPartial Thromboplastin Time1-Carboxyglutamic AcidVitamin D DeficiencyOsteocalcinIntracranial HemorrhagesHemorrhageProtein PrecursorsPotassium DeficiencyVitamin K Epoxide ReductasesBlood Coagulation DisordersVitamin B 12 DeficiencyVitamin E DeficiencyInfant, NewbornVitamin B 6Primary PreventionVitamin B 6 DeficiencyBiological MarkersCathepsin KCholecalciferolAscorbic AcidDietary SupplementsCarbon-Carbon Ligases