tokens: Abnormal apoptosis and cell cycle progression in humans exposed to methyl tertiary-butyl ether and benzene contaminating water .
folded_tokens: abnormal apoptosis and cell cycle progression in humans exposed to methyl tertiary-butyl ether and benzene contaminating water .
labels: B-other_name I-other_name O B-other_name I-other_name O O B-multi_cell O O B-other_organic_compound I-other_organic_compound I-other_organic_compound O B-other_organic_compound O O O