Authors: X H Liu; I Nakano; T Ito; H Yamaguchi; Y Migita; T Miyahara; S Koyanagi; K Ohgoshi; H Nawata Journal: J Gastroenterol Date: 1995-04 Impact factor: 7.527
Authors: M Otaka; A Okuyama; S Otani; M Jin; S Itoh; H Itoh; A Iwabuchi; H Sasahara; M Odashima; Y Tashima; O Masamune Journal: Dig Dis Sci Date: 1997-07 Impact factor: 3.199