tokens: Confirmed mutations were identified in 28% of the families studied and on the assumption that half of the sporadic cases should have TSC2 mutations , a crude estimate of the detection rate would be 60% .
folded_tokens: confirmed mutations were identified in 28% of the families studied and on the assumption that half of the sporadic cases should have tsc2 mutations , a crude estimate of the detection rate would be 60% .
labels: O O O O O O O O O O O O O O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O O O O O