RT Journal Article SR Electronic T1 An 80-year-old man with caecal ulceration JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1761 OP 1817 DO 10.1136/gutjnl-2019-319414 VO 69 IS 10 A1 Benjamin Easton White A1 Adnan Al-Badri A1 John Nicholas Gordon YR 2020 UL http://gut.bmj.com/content/69/10/1761.abstract AB