tokens: Transcriptional activity of core binding factor- alpha ( AML1 ) and beta subunits on murine leukemia virus enhancer cores .
folded_tokens: transcriptional activity of core binding factor- alpha ( aml1 ) and beta subunits on murine leukemia virus enhancer cores .
labels: B-other_name I-other_name O O O O O O O O O O O O B-virus I-virus I-virus O O O