Citation:Anderson JC, Attam R, Alpern Z, Messina CR, Hubbard P, Grimson R, et al 2003
From National Cancer Control Policy
Anderson JC, Attam R, Alpern Z, Messina CR, Hubbard P, Grimson R, et al. Prevalence of colorectal neoplasia in smokers. Am J Gastroenterol 2003 Dec;98(12):2777-83 Available from: http://www.ncbi.nlm.nih.gov/pubmed/14687832.
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