Luigiano C, Ferrara F, Polifemo A M, Fabbri C, Ghersi S, Bassi M, D'Imperio N
Unit of Gastroenterology and Digestive Endoscopy, AUSL Bologna, Bellaria-Maggiore Hospital, Bologna, Italy.
Endoscopy. 2009;41 Suppl 2:E249-50. doi: 10.1055/s-0029-1214430. Epub 2009 Sep 28.