tokens: Requirement of GATA-1 and p45 NF-E2 expression in butyric acid -induced erythroid differentiation .
folded_tokens: requirement of gata-1 and p45 nf-e2 expression in butyric acid -induced erythroid differentiation .
labels: O O B-protein_molecule O B-protein_molecule I-protein_molecule O O B-other_organic_compound I-other_organic_compound O O O O