in different experiments , colony-stimulating factor ( csf ) was added to stimulated granulocyte-macrophage colony-forming cells ( gm-cfc ) , erythropoietin was used to induce erythroid burst ( bfu-e ) formation or erythropoietin and medium conditioned by leucocytes in the presence of phytohaemagglutinin ( pha-lcm ) was added to induce the formation of colonies of mixed myeloid lineage ( mix-cfc ) .
C0009392
colony-stimulating factor
C0014822
erythropoietin