In the article by D. Li et. al., entitled “Sensitivity to DNA Damage Induced by Benzp(a)pyrene Diol Epoxide and Risk of Lung Cancer: A Case-Control Analysis,” which appeared in the February 15, 2001 issue of Cancer Research (pp. 1445–1450), the following sentence was incorrect on page 1449, column 1, lines 44–45:

A tested case-control study would validate the findings in this study. The sentence should read:

A nested case-control study would validate the findings in this study.