RT Journal Article SR Electronic T1 The external world of gluten and autoimmunity JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 463 OP 464 DO 10.1136/gut.49.4.463 VO 49 IS 4 A1 M LONDEI YR 2001 UL http://gut.bmj.com/content/49/4/463.abstract AB