- Correspondence to: M T Landi, MD, PhD Genetic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, DHHS, 6120 Executive Blvd, EPS Room 7114, Bethesda, 20892-7236;
- Accepted December 22, 2003
- Revised November 27, 2003
- First published July 2, 2004.
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