The frequency of the double null-GSTT1-GSTM1 was slightly higher in patients (0.178 vs 0.149, OR=1.24), but the difference did not reach statistical significance.
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Glutathione S-transferases (GSTT1 and GSTM1) gene deletions in Tunisians: susceptibility and prognostic implications in breast carcinoma.
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The sentences
The present case/controlled study showed a borderline significant increase in the risk of breast carcinoma in unselected subjects carrying the null-GSTT1 genotype.