Kaira K, Yasuoka H, Ichikawa T, Oh-I S, Hisada T, Ishizuka T, Mori M
Department of Medicine and Molecular Science, Gunma University Graduate School of Medicine, Showa-machi, Maebashi, Gunma, Japan.
Endoscopy. 2007 Feb;39 Suppl 1:E29. doi: 10.1055/s-2006-944989. Epub 2007 Feb 7.