ErythropoiesisErythroid Precursor CellsErythropoietinAnemia, SideroblasticErythrocytesGlobinsAnemia, Dyserythropoietic, CongenitalReceptors, ErythropoietinGlycophorinFetal HemoglobinCell DifferentiationErythroid CellsFriend murine leukemia virusBone MarrowAlpharetrovirus5-Aminolevulinate SynthetaseBone Marrow CellsReticulocytesLeukemia, Erythroblastic, AcuteYolk SacPhenylhydrazinesAnion Exchange Protein 1, ErythrocyteHematopoietic Stem CellsCarbonic Anhydrase IHeterocyclic Compounds with 4 or More RingsErythrocytes, AbnormalFetusAnemiaFetal BloodCells, CulturedReceptors, TransferrinErythrocyte CountAnemia, Hemolytic, CongenitalGATA1 Transcription FactorAnemia, MegaloblasticDucksStem Cell FactorErythrocyte MembraneOncogene Proteins v-erbAAnemia, RefractoryThiamphenicolErythrocyte AgingErythroid-Specific DNA-Binding Factorsbeta-GlobinsSpleenSpectrinChickensHemeCell Nucleuszeta-Globinsbeta-Thalassemiaalpha-GlobinsLeukemia, ExperimentalHemoglobinsMegaloblastsMegakaryocytesHematopoiesis, ExtramedullaryHematopoiesisImmunomagnetic SeparationSpleen Focus-Forming VirusesColony-Forming Units AssayProto-Oncogene Protein c-fli-1Cell SeparationGene Expression RegulationAnemia, HypochromicRNA, MessengerBlood Cell CountIronCentrifugation, IsopycnicIron IsotopesFolic Acid DeficiencyLiverHemoglobin AIron RadioisotopesEmbryo, MammalianPrenatal Diagnosisbcl-X ProteinCell DivisionFlow CytometryPolycythemia VeraApoptosisMice, Inbred C57BLAntigens, CD34Microscopy, ElectronAnemia, HemolyticAntigens, CDHematopoietic SystemGATA2 Transcription FactorMice, KnockoutRh-Hr Blood-Group SystemCell Transformation, ViralMacrophagesGestational AgePregnancyDNA-Binding ProteinsCell LineBlood ProteinsBase SequenceRetroviridae Proteins, OncogenicMyelodysplastic Syndromes