tokens: Although a 13-kilobase-pair ( kb ) human c-fes transgene exhibits high levels of expression in mice , the sequences that confer myeloid-cell-specific expression of the human c-fes gene have not been defined .
folded_tokens: although a 13-kilobase-pair ( kb ) human c-fes transgene exhibits high levels of expression in mice , the sequences that confer myeloid-cell-specific expression of the human c-fes gene have not been defined .
labels: O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O O B-multi_cell O O O O O B-other_name I-other_name O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O