RT Journal Article SR Electronic T1 Screening for Barrett’s oesophagus: are we looking for the right thing? JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1426 OP 1427 DO 10.1136/gutjnl-2020-323378 VO 70 IS 8 A1 Spechler, Stuart J YR 2021 UL http://gut.bmj.com/content/70/8/1426.abstract AB