Reticulocyte CountReticulocytesErythrocyte CountBlood Cell CountAnemia, NeonatalErythropoiesisErythropoietinHematocritAnemia, Sickle CellAnemia, Hemolytic, AutoimmuneHeinz BodiesErythrocyte AgingHemoglobinsAnemia, HemolyticAnemiaHematologic TestsPhenylhydrazinesCoombs TestErythrocytesBloodlettingHemolysisErythrocyte IndicesAnemia, MacrocyticFetal HemoglobinIronRed-Cell Aplasia, PureErythrocyte TransfusionRabbitsRecombinant ProteinsFerritinsAnemia, AplasticBlood TransfusionProtein BiosynthesisBone MarrowLeukocyte CountCell-Free SystemHematopoiesisInjections, SubcutaneousPlatelet CountPeptide Initiation FactorsCD4 Lymphocyte CountInfant, NewbornSpleenGlobinsHeminPeptide Chain Initiation, TranslationalCell CountRNA, Messenger