RT Journal Article SR Electronic T1 Caecal surprise JF Frontline Gastroenterology JO Frontline Gastroenterol FD BMJ Publishing Group Ltd SP 532 OP 533 DO 10.1136/flgastro-2022-102327 VO 14 IS 6 A1 Qazi, Umang Rafiq A1 Chapman, Thomas P A1 Basford, Peter John YR 2023 UL http://fg.bmj.com/content/14/6/532.abstract AB