RT Journal Article SR Electronic T1 Duodenal stenosis associated with weakness of sphincter of Oddi JF BMJ Case Reports FD BMJ Publishing Group Ltd SP bcr1120081208 DO 10.1136/bcr.11.2008.1208 VO 2009 A1 Haytham Ali A1 Leigh McDonald A1 Rekha Anantharamu A1 Ravi Swamy A1 Janet Berrington YR 2009 UL http://casereports.bmj.com/content/2009/bcr.11.2008.1208.abstract AB