RT Journal Article SR Electronic T1 Reducing the number of surveillance colonoscopies with faecal immunochemical tests JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 784 OP 785 DO 10.1136/gutjnl-2019-318370 VO 69 IS 4 A1 Erin L Symonds A1 Kathryn Cornthwaite A1 Robert J L Fraser A1 Peter Bampton A1 Charles Cock A1 Graeme P Young YR 2020 UL http://gut.bmj.com/content/69/4/784.abstract AB