Nozomi Togo, Susumu Ohwada, Shinji Sakurai, Hiroyuki Toya, Ichiro Sakamoto, Tatsuya Yamada, Tetsuhiro Nakano, Ken Muroya, Izumi Takeyoshi, Takashi Nakajima, Takashi Sekiya, Yusuke Yamazumi, Tsutomu Nakamura, Tetsu Akiyama
World J Gastroenterol. 2008 Aug 21; 14(31): 4880–4888. Published online 2008 Aug 21. doi: 10.3748/wjg.14.4880