tokens: We examined the role of corticosteroids in the in vitro expansion of primary human erythroid cells in liquid cultures and colony assays .
folded_tokens: we examined the role of corticosteroids in the in vitro expansion of primary human erythroid cells in liquid cultures and colony assays .
labels: O O O O O B-lipid O O O O O O B-cell_type I-cell_type I-cell_type I-cell_type O O O O O O O