tokens: In avian erythroid progenitors , steroid hormones cooperate with tyrosine kinase receptors to induce renewal of erythroid progenitors .
folded_tokens: in avian erythroid progenitors , steroid hormones cooperate with tyrosine kinase receptors to induce renewal of erythroid progenitors .
labels: O O B-cell_type I-cell_type O B-lipid I-lipid O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O O B-cell_type I-cell_type O