Background.- Erythropoiesis: an overview.- Regulation of endogenous erythropoietin production.- Biology of erythropoietin.- Erythropoiesis-genetic abnormalities.- Erythropoiesis-stimulating agents.- Studies of erythropoiesis and the discovery and cloning of recombinant human erythropoietin.- Commercial production of recombinant erythropoietins.- Biosimilar epoetins.- New molecules and formulations.- Erythropoietin receptor.- Structural basis for the...