Authors: K Tomita; G Tamiya; S Ando; K Ohsumi; T Chiyo; A Mizutani; N Kitamura; K Toda; T Kaneko; Y Horie; J-Y Han; S Kato; M Shimoda; Y Oike; M Tomizawa; S Makino; T Ohkura; H Saito; N Kumagai; H Nagata; H Ishii; T Hibi Journal: Gut Date: 2005-09-20 Impact factor: 23.059