Khanna Reena, Afif Waqqas
Department of Medicine, Division of Gastroenterology, University of Western Ontario, London, Ontario, Canada.
Department of Medicine, Division of Gastroenterology, McGill University, Montreal, Quebec, Canada.
Gastroenterology. 2021 May;160(6):2184-2186. doi: 10.1053/j.gastro.2021.02.002. Epub 2021 Feb 4.