FerritinsIronAnemia, Iron-DeficiencyAnemiaAnemia, HypochromicIron OverloadIron Chelating AgentsIron, DietaryHemoglobinsTransferrinHemochromatosisIron Metabolism DisordersErythrocyte IndicesApoferritinsPhlebotomyReceptors, TransferrinIron CompoundsFerrous Compoundsbeta-ThalassemiaHepcidinsFerric CompoundsDeferoxamineAnemia, AplasticAnemia, HemolyticPregnancy Complications, HematologicHematocritGlucaric AcidErythropoietinIron RadioisotopesChelation TherapyIron IsotopesDeficiency DiseasesSiderosisIron-Regulatory ProteinsFanconi AnemiaProtoporphyrinsAnemia, PerniciousStill's Disease, Adult-OnsetHematinicsAnemia, MacrocyticThalassemiaAntimicrobial Cationic PeptidesHemosiderinNutritional StatusAnemia, Hemolytic, AutoimmuneHemoglobinometryBlood TransfusionDietary SupplementsAnemia, SideroblasticSymptom AssessmentAnemia, Sickle CellIron-Dextran ComplexLiverBiological MarkersIron Regulatory Protein 1Food, FortifiedVitamin B 12 DeficiencyVitamin A DeficiencyPrevalenceAnemia, MegaloblasticBone Marrow ExaminationAnemia, RefractoryIron-Binding ProteinsHomozygoteIron Regulatory Protein 2ErythropoiesisBloodlettingFolic Acid DeficiencyBenzoatesRenal DialysisErythrocyte CountCation Transport ProteinsRestless Legs SyndromeErythrocytesProspective StudiesHistocompatibility Antigens Class IFMN ReductaseMembrane ProteinsPregnancyCeruloplasminPyridonesMutationRisk FactorsInfectious Anemia Virus, EquineLymphohistiocytosis, HemophagocyticPicaBlood DonorsInfant, NewbornHookworm InfectionsCross-Sectional StudiesTime FactorsKidney Failure, ChronicZincAnemia, Hemolytic, CongenitalReference ValuesCase-Control Studiesalpha 1-Antitrypsin DeficiencyC-Reactive ProteinBiological AvailabilityIntestinal Absorption