Erythropoietin ( Epo ) is essential for the later stages of erythropoiesis , acting to promote cell survival and proliferation , but its role in differentiation remains to be defined .
erythropoietin ( epo ) is essential for the later stages of erythropoiesis , acting to promote cell survival and proliferation , but its role in differentiation remains to be defined .
O O O O O O O O O O O B-other_name O O O O O O O O O O O O O O O O O O O