Anastassiades Constantinos P, Faulx Ashley L
Division of Gastroenterology and Liver Disease, University Hospitals Case Medical Center, Case Western Reserve University, Cleveland, Ohio, USA.
Gastrointest Endosc. 2013 Sep;78(3):541; discussion 541-2. doi: 10.1016/j.gie.2013.04.186. Epub 2013 May 24.