Kume K, Yamasaki M, Yoshikawa I, Otsuki M
The Department of Gastroenterology and Metabolism, University of Occupational and Environmental Health, Japan, School of Medicine, Kitakyushu, Japan.
Endoscopy. 2007 Feb;39 Suppl 1:E214-5. doi: 10.1055/s-2007-966334. Epub 2007 Jul 5.