Mangiavillano B, Arcidiacono P G, Carrara S, Masci E, Testoni P A
Department of Gastroenterology and Gastrointestinal Endoscopy, IRCCS Vita-Salute San Raffaele University, San Raffaele Hospital Scientific Institute, Milan, Italy.
Endoscopy. 2008 Sep;40 Suppl 2:E87-8. doi: 10.1055/s-2007-995548. Epub 2008 Mar 20.