RT Journal Article SR Electronic T1 Editor's snapshot: an unexpected duodenal finding JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1590 OP 1590 DO 10.1136/gutjnl-2012-303881 VO 62 IS 11 A1 Andrew David Nelson A1 Gillian H Bain A1 Ashley D Graham A1 Marianne C Nicolson A1 John S Leeds YR 2013 UL http://gut.bmj.com/content/62/11/1590.abstract AB