Greenspoon Joshua, Barkun Alan, Bardou Marc, Chiba Naoki, Leontiadis Grigorios I, Marshall John K, Metz David C, Romagnuolo Joseph, Sung Joseph
Division of Gastroenterology, McGill University and McGill University Health Centre, Montréal, Quebec, Canada.
Clin Gastroenterol Hepatol. 2012 Mar;10(3):234-9. doi: 10.1016/j.cgh.2011.07.025. Epub 2011 Aug 4.