ErythropoietinReceptors, ErythropoietinAnemiaRecombinant ProteinsErythropoiesisReticulocyte CountHematocritHemoglobinsHematinicsAnoxiaCobaltGATA2 Transcription FactorInjections, SubcutaneousDoping in SportsErythrocyte CountPolycythemiaErythroid Precursor CellsKidney Failure, ChronicRenal DialysisAnemia, NeonatalCell HypoxiaHypoxia-Inducible Factor 1