Authors: T Hibi; M Ohara; K Toda; A Hara; H Ogata; Y Iwao; N Watanabe; M Watanabe; Y Hamada; K Kobayashi Journal: Gut Date: 1990-12 Impact factor: 23.059
Authors: T Hibi; M Ohara; K Kobayashi; W R Brown; K Toda; H Takaishi; Y Hosoda; A Hayashi; Y Iwao; M Watanabe Journal: Gut Date: 1994-02 Impact factor: 23.059