tokens: DNA taken from families with an asthmatic proband was examined for base exchanges by single-stranded conformational polymorphism ( SSCP ) .
folded_tokens: dna taken from families with an asthmatic proband was examined for base exchanges by single-stranded conformational polymorphism ( sscp ) .
labels: O O O O O O B-multi_cell I-multi_cell O O O O O O B-other_name I-other_name I-other_name O B-other_name O O