RT Journal Article SR Electronic T1 Genetic risk for colitis-associated colorectal cancer JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1177 OP 1179 DO 10.1136/gut.2009.181206 VO 58 IS 9 A1 Edus H Warren YR 2009 UL http://gut.bmj.com/content/58/9/1177.abstract AB