Erythroid colony growth was also inhibited when CD34+ progenitors were seeded at one cell per well , suggesting a direct action of RA .
erythroid colony growth was also inhibited when cd34+ progenitors were seeded at one cell per well , suggesting a direct action of ra .
B-other_name I-other_name I-other_name O O O O B-cell_type I-cell_type O O O O O O O O O O O O O B-other_organic_compound O