Kaneko T, Akamatsu T, Shimodaira K, Ueno T, Gotoh A, Mukawa K, Nakamura N, Kiyosawa K
Second Department of Internal Medicine, Shinshu University School of Medicine, Matsumoto-city, Nagano-prefecture, Japan.
Gastrointest Endosc. 1999 Sep;50(3):410-3. doi: 10.1053/ge.1999.v50.97235.