Vitamin DVitamin D DeficiencyVitamin KVitamin K 1Vitamin K DeficiencyVitaminsVitamin AVitamin K 2Vitamin ECalcifediolCholecalciferolVitamin K Deficiency BleedingSunlightVitamin B 12Vitamin K 3Vitamin A DeficiencyReceptors, CalcitriolVitamin D-Binding ProteinDietary SupplementsVitamin K Epoxide ReductasesErgocalciferols25-Hydroxyvitamin D 2Parathyroid HormoneCalcitriolVitamin B 6Vitamin E DeficiencyVitamin B 12 Deficiency25-Hydroxyvitamin D3 1-alpha-HydroxylaseSeasonsMyalgiaCalcium, DietarySecondary CareVitamin B 6 DeficiencyRicketsCholestanetriol 26-MonooxygenaseAscorbic AcidRisk FactorsCarbon-Carbon LigasesDietSkin PigmentationCross-Sectional StudiesHydroxycholecalciferolsSunscreening AgentsCase-Control StudiesCalciumBone DensityBiological MarkersPrevalenceProspective StudiesDihydroxycholecalciferolsWarfarinSteroid HydroxylasesNutritional StatusPhosphorusOsteoporosisVitamin D Response Element24,25-Dihydroxyvitamin D 3PyridoxinePrehypertensionOsteocalcinAfrican Americans4-HydroxycoumarinsFractures, BoneBone and BonesNutrition SurveysEuropean Continental Ancestry GroupBone Density Conservation AgentsAvitaminosisCohort StudiesProthrombin TimeVitamin B DeficiencyAntifibrinolytic AgentsK562 CellsParesthesiaMultivariate AnalysisOsteomalaciaLinear ModelsNutritional RequirementsMixed Function OxygenasesAntioxidantsPregnancyInfant, NewbornBody Mass IndexProthrombinFood, FortifiedFolic AcidOdds RatioAdministration, OralIsraelalpha-TocopherolLogistic ModelsUnited StatesTandem Mass SpectrometryGenotypebeta CaroteneDouble-Blind MethodTreatment OutcomeAnticoagulantsHypocalcemiaHypoprothrombinemias