Kawakubo K, Isayama H, Tsujino T, Nakai Y, Sasahira N, Kogure H, Sasaki T, Yamamoto N, Hirano K, Tada M, Koike K
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Japan.
Endoscopy. 2011;43 Suppl 2 UCTN:E241-2. doi: 10.1055/s-0030-1256606. Epub 2011 Aug 11.