RT Journal Article SR Electronic T1 Safely restarting GI endoscopy in the era of COVID-19 JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 2063 OP 2070 DO 10.1136/gutjnl-2020-321688 VO 69 IS 12 A1 Bu'Hussain Hayee A1 Mo Thoufeeq A1 Colin J Rees A1 Ian Penman A1 James East YR 2020 UL http://gut.bmj.com/content/69/12/2063.abstract AB