Carcinogenesis, Vol. 23, No. 12, 2135,
December 2002
© 2002 Oxford University Press
LETTER TO THE EDITOR |
Proper controls for SNP studies?
Unit of Environmental Cancer Epidemiology, International Agency for Research on Cancer, 150 cours Albert-Thomas, 69008 Lyon, France
Email: brennan@iarc.fr, boffetta@iarc.fr
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Dear Sir,
Hemminki and Försti are correct in commenting that ethnicity and age differences are unlikely to result in large biases in SNP frequencies between