RT Journal Article SR Electronic T1 Intolerance of the dirty intestine JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 774 OP 775 DO 10.1136/gut.44.6.774 VO 44 IS 6 A1 A J S MACPHERSON A1 K J MALOY A1 I BJARNASON YR 1999 UL http://gut.bmj.com/content/44/6/774.abstract AB