Talk:Colorectal polyp
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[edit] Smoking
Pretty unambiguous influence of smoking on polyps: doi:10.1053/j.gastro.2007.11.007 JFW | T@lk 07:13, 3 February 2008 (UTC)
Pretty unambiguous influence of smoking on polyps: doi:10.1053/j.gastro.2007.11.007 JFW | T@lk 07:13, 3 February 2008 (UTC)