Identification of upstream regulatory elements that repress expression of adult beta-like globin genes in a primitive erythroid environment .
identification of upstream regulatory elements that repress expression of adult beta-like globin genes in a primitive erythroid environment .
O O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O O O O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O O B-other_name I-other_name I-other_name O