tokens: Seventeen microsatellite markers that span the common deleted region were used to search for loss of heterozygosity in granulocyte DNA .
folded_tokens: seventeen microsatellite markers that span the common deleted region were used to search for loss of heterozygosity in granulocyte dna .
labels: O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O O O O O O O O B-DNA_family_or_group I-DNA_family_or_group O