Topazian M, Levy M J, Patel S, Charlton M R, Baron T H
Division of Gastroenterology and Hepatology, Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA.
Endoscopy. 2013;45 Suppl 2 UCTN:E161-2. doi: 10.1055/s-0032-1326644. Epub 2013 May 28.