RT Journal Article SR Electronic T1 Potential role of superantigen induced activation of cell mediated immune mechanisms in the pathogenesis of Crohn's disease. JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1 OP 4 DO 10.1136/gut.36.1.1 VO 36 IS 1 A1 J P Ibbotson A1 J R Lowes YR 1995 UL http://gut.bmj.com/content/36/1/1.abstract AB