Reticulocyte CountReticulocytesErythrocyte CountBlood Cell CountAnemia, NeonatalErythropoiesisErythropoietinHematocritAnemia, Sickle CellAnemia, Hemolytic, AutoimmuneHeinz BodiesHemoglobinsErythrocyte AgingAnemia, HemolyticAnemiaHematologic TestsPhenylhydrazinesCoombs TestErythrocytesBloodlettingErythrocyte IndicesHemolysisAnemia, MacrocyticFetal HemoglobinIronRed-Cell Aplasia, PureErythrocyte TransfusionRabbitsRecombinant ProteinsFerritinsBlood TransfusionAnemia, AplasticBone MarrowProtein BiosynthesisLeukocyte CountCell-Free SystemHematopoiesisInjections, SubcutaneousPlatelet CountInfant, NewbornPeptide Initiation FactorsCD4 Lymphocyte CountSpleenGlobinsHeminPeptide Chain Initiation, TranslationalCell Count