tokens: In addition , new technology allows the sensitive identification of gene hypermethylation in a background of normal cells , suggesting possible new strategies for the detection of minimal residual disease .
folded_tokens: in addition , new technology allows the sensitive identification of gene hypermethylation in a background of normal cells , suggesting possible new strategies for the detection of minimal residual disease .
labels: O O O O O O O O O O O O O O O O B-cell_type I-cell_type O O O O O O O O O O O O O