Easler Jeffrey J, Eagon J Christopher, Murad Faris M
Division of Gastroenterology and Hepatology, Washington University School of Medicine, St. Louis, Missouri, USA.
Division of General Surgery and Minimally Invasive Surgery, Washington University School of Medicine, St. Louis, Missouri, USA.
Gastrointest Endosc. 2015 Feb;81(2):456-7. doi: 10.1016/j.gie.2014.05.314. Epub 2014 Jun 28.