Chan Angela W, McLean D Ross, Ferguson James P
Division of General Surgery, University of Alberta, University Hospital, Edmonton, Alberta, Canada.
Department of Anatomical Pathology, University of Alberta, Royal Alexandra Hospital, Edmonton, Alberta, Canada.
Gastroenterology. 2016 Aug;151(2):e7-8. doi: 10.1053/j.gastro.2016.03.044. Epub 2016 Jul 1.