Reticulocyte CountReticulocytesErythrocyte CountBlood Cell CountAnemia, NeonatalErythropoiesisErythropoietinHematocritAnemia, Sickle CellAnemia, Hemolytic, AutoimmuneHeinz BodiesErythrocyte AgingHemoglobinsAnemia, HemolyticAnemiaHematologic TestsPhenylhydrazinesCoombs TestErythrocytesBloodlettingErythrocyte IndicesHemolysisAnemia, MacrocyticFetal HemoglobinIronRed-Cell Aplasia, PureErythrocyte TransfusionRabbitsRecombinant ProteinsFerritinsBlood TransfusionAnemia, AplasticLeukocyte CountBone MarrowProtein BiosynthesisCell-Free SystemHematopoiesisInjections, SubcutaneousPlatelet CountCD4 Lymphocyte CountInfant, NewbornPeptide Initiation FactorsSpleenGlobinsCell CountHeminPeptide Chain Initiation, Translational