Citation:Hannan LM, Jacobs EJ, Thun MJ 2009

Citation

Hannan LM, Jacobs EJ, Thun MJ. The association between cigarette smoking and risk of colorectal cancer in a large prospective cohort from the United States. Cancer Epidemiol Biomarkers Prev 2009 Dec;18(12):3362-7 Available from: http://www.ncbi.nlm.nih.gov/pubmed/19959683.

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