Subramanian Madhu, Singal Amit G, Yopp Adam C
Department of Surgery, Division of Surgical Oncology, University of Texas Southwestern Medical Center, Dallas, Texas, USA.
Clin Gastroenterol Hepatol. 2012 Oct;10(10):e83-4. doi: 10.1016/j.cgh.2012.06.031. Epub 2012 Jul 17.