Mitoro Akira, Yoshikawa Masahide, Yamao Jun-ichi, Yoshida Motoyuki, Kojima Kuniyuki, Sawai Masayoshi, Fukui Hiroshi
Third Department of Internal Medicine, Nara Medical University, Nara, Japan.
Gastrointest Endosc. 2007 Feb;65(2):327; discussion 327. doi: 10.1016/j.gie.2006.06.042.