Reticulocyte CountReticulocytesErythrocyte CountBlood Cell CountAnemia, NeonatalErythropoiesisErythropoietinHematocritAnemia, Sickle CellAnemia, Hemolytic, AutoimmuneHeinz BodiesHemoglobinsErythrocyte AgingAnemia, HemolyticAnemiaHematologic TestsPhenylhydrazinesCoombs TestErythrocytesBloodlettingErythrocyte IndicesHemolysisAnemia, MacrocyticLeukocyte CountFetal HemoglobinPlatelet CountIronCD4 Lymphocyte CountRed-Cell Aplasia, PureErythrocyte TransfusionRecombinant ProteinsRabbitsAnemia, AplasticBlood TransfusionFerritinsBone MarrowProtein BiosynthesisCell CountCell-Free SystemHematopoiesisInjections, SubcutaneousPeptide Initiation FactorsInfant, NewbornSpleenColony Count, MicrobialGlobinsLymphocyte CountHeminPeptide Chain Initiation, TranslationalSperm Count