Task: Answer Verification
Input (English): Question: Is association between frequency of chromosomal aberrations and cancer risk influenced by genetic polymorphisms in GSTM1 and GSTT1?
Answer: Despite the small size of the study groups, our results substantiate the cancer risk predictivity of CA frequency, ruling against a strong modifying effect of GSTM1 and GSTT1 polymorphisms.
Output (English): no