Fig. 9.
Erythroid precursors after cessation of erythropoietin therapy.
Marrow cells were obtained 0, 20, and 40 days after cessation of treatment with high doses of rHuEpo as well as from control untreated animals. (A) Erythroid cellularity. (B) 59Fe incorporation into heme of erythroid precursors cultured for 24 hours in serum-free medium without erythropoietin.
