Anemia, MacrocyticAnemiaIronAnemia, PerniciousReticulocytosisAnemia, Iron-DeficiencyAnemia, Diamond-BlackfanAnemia, HypochromicErythrocyte CountFolic Acid DeficiencyVitamin B 12 DeficiencyVitamin B 12ErythropoiesisIron, DietaryFerritinsIron Chelating AgentsAnemia, AplasticAnemia, HemolyticHemoglobinsFanconi AnemiaErythrocyte IndicesAnemia, Hemolytic, AutoimmuneIron OverloadIron CompoundsAnemia, Sickle CellAnemia, SideroblasticTransferrinReceptors, TransferrinAnemia, MegaloblasticPregnancy Complications, HematologicFerrous CompoundsHepcidinsAnemia, RefractoryIron Metabolism DisordersErythropoietinIron IsotopesHematocritDeficiency DiseasesInfectious Anemia Virus, EquineFerric CompoundsProtoporphyrinsHemoglobinometryIron Radioisotopes