RT Journal Article SR Electronic T1 Prevention and management of duodenal polyps in familial adenomatous polyposis JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1034 OP 1043 DO 10.1136/gut.2004.053843 VO 54 IS 7 A1 Brosens, L A A A1 Keller, J J A1 Offerhaus, G J A A1 Goggins, M A1 Giardiello, F M YR 2005 UL http://gut.bmj.com/content/54/7/1034.abstract AB