Anemia, Iron-DeficiencyAnemiaAnemia, HypochromicVitamin B 12 DeficiencyVitamin B 6IronVitamin AErythrocyte IndicesFerritinsHemoglobinsVitaminsVitamin DIron, DietaryVitamin EVitamin B 12Vitamin A DeficiencyVitamin B ComplexAnemia, PerniciousVitamin D DeficiencyPyridoxinePregnancy Complications, HematologicFolic AcidFerrous CompoundsAnemia, MegaloblasticDietary SupplementsAnemia, AplasticAnemia, HemolyticIron Carbonyl CompoundsFolic Acid DeficiencyAnemia, MacrocyticVitamin B DeficiencyIron CompoundsHepcidinsTranscobalaminsProtoporphyrinsVitamin E DeficiencyNutritional StatusFood, FortifiedReceptors, TransferrinFanconi AnemiaAnemia, RefractoryCobalt IsotopesVitamin K 1Ascorbic AcidHemoglobinometryDeficiency DiseasesAnemia, Hemolytic, AutoimmuneVitamin B 6 DeficiencyFerric CompoundsIron-Dextran ComplexHematocritEndoscopy, GastrointestinalVitamin K DeficiencyHematinicsGlucaric AcidPicaTransferrinDietPrevalencePregnancyAntimicrobial Cationic PeptidesGastrointestinal HemorrhageErythrocytesThrombocytosisMethylmalonic AcidBiological AvailabilityThiamineAnemia, Sickle CellErythropoietinIntrinsic FactorPyridoxal PhosphateCholecalciferolErythrocyte CountMicronutrientsNutritional RequirementsAnemia, SideroblasticErythropoiesisRiboflavinHemosiderosisHookworm InfectionsIron IsotopesTrace ElementsPlummer-Vinson SyndromeInfant Nutritional Physiological PhenomenaHydroxocobalaminCeliac DiseaseCapsule EndoscopyInfant FoodIntestinal AbsorptionAvitaminosisRisk FactorsAdministration, OralInfectious Anemia Virus, EquinePyridoxic AcidGastrointestinal DiseasesMalabsorption SyndromesProspective StudiesReceptors, CalcitriolVitamin D-Binding ProteinBlood Cell Count