Siau Keith, Aziz Akhmid, Liew Lenny, Ishaq Sauid
Department of Gastroenterology, Dudley Group Hospitals NHSFT, Dudley, UK.
Joint Advisory Group, Royal College of Physicians, London.
Gut. 2018 Jul;67(7):1350. doi: 10.1136/gutjnl-2017-314727. Epub 2017 Aug 16.