RT Journal Article SR Electronic T1 British Society of Gastroenterology position statement on patient experience of GI endoscopy JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP gutjnl-2019-319207 DO 10.1136/gutjnl-2019-319207 A1 Colin J Rees A1 Tim M Trebble A1 Christian Von Wagner A1 Zoe Clapham A1 Paul Hewitson A1 Hugh Barr A1 Simon Everett A1 Helen Griffiths A1 Manu Nayar A1 Kofi Oppong A1 Stuart Riley A1 John Stebbing A1 Siwan Thomas-Gibson A1 Roisin Bevan YR 2019 UL http://gut.bmj.com/content/early/2019/09/09/gutjnl-2019-319207.abstract AB