RT Journal Article SR Electronic T1 Surveillance programmes for colorectal cancer in inflammatory bowel disease: have we got it right? JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1194 OP 1196 DO 10.1136/gut.2008.152009 VO 57 IS 9 A1 Bernstein, Charles N YR 2008 UL http://gut.bmj.com/content/57/9/1194.abstract AB