Zevin Boris, Aggarwal Rajesh, Grantcharov Teodor P
Department of Surgery, University of Toronto, Toronto, Canada; Keenan Research Centre of the Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, Canada.
Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA; Division of Surgery, Department of Surgery and Cancer, Imperial College London, London, UK.
J Am Coll Surg. 2014 Feb;218(2):294-301. doi: 10.1016/j.jamcollsurg.2013.09.016. Epub 2013 Sep 28.