Thomas-Gibson Siwan, Choy Matthew, Dhillon Angad Singh
Wolfson Unit for Endoscopy, St Mark's Hospital, Harrow, London, UK.
Department of Medicine, Austin Academic Centre, University of Melbourne, Melbourne, Victoria, Australia.
Frontline Gastroenterol. 2020 Jun 3;12(6):508-514. doi: 10.1136/flgastro-2019-101357. eCollection 2021.