Pennathur Arjun, Awais Omar, Luketich James D
Heart, Lung, and Esophageal Surgery Institute, University of Pittsburgh Medical Center, 200 Lothrop St, Suite C-800, Pittsburgh, PA 15213, USA.
J Gastrointest Surg. 2010 Jun;14(6):948-50. doi: 10.1007/s11605-009-1152-8. Epub 2010 Apr 1.