Faecal haemoglobin can define risk of colorectal neoplasia at surveillance colonoscopy in patients at increased risk of colorectal cancer. - Digby J; Cleary S; Gray L; Datt P; Goudie DR; Steele RJC; Strachan JA; Humphries A; Fraser CG; Mowat C (United European gastroenterology journal, 2020)