RT Journal Article SR Electronic T1 Guidelines on the use of oesophageal dilatation in clinical practice JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP i1 OP i6 DO 10.1136/gut.53.suppl_1.i1 VO 53 IS suppl 1 A1 S A Riley A1 S E A Attwood YR 2004 UL http://gut.bmj.com/content/53/suppl_1/i1.abstract AB