© 2003 by Oxford University Press
Journal of the National Cancer Institute, Vol. 95, No. 11, 830,
June 4, 2003
© 2003 Oxford University Press
CORRESPONDENCE |
RESPONSE: Re: Association Between Hemochromatosis (HFE) Gene Mutation Carrier Status and the Risk of Colon Cancer
Correspondence to: Nicholas J. Shaheen, M.D., M.P.H., University of North Carolina, CB#7080, Chapel Hill, NC 275997080 (e-mail: nshaheen@med.unc.edu).
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Dr. Sullivan points out an interesting and plausible source of bias in our study (1). Subjects with colon cancer often present with iron deficiency anemia. If subjects with an HFE gene mutation have higher iron stores on average than subjects without HFE gene mutations,