Authors: K Kitamura; T Yamaguchi; S Nishida; K Yamamoto; D Ichikawa; K Okamoto; H Taniguchi; A Hagiwara; K Sawai; T Takahashi Journal: Surg Today Date: 1997 Impact factor: 2.549
Authors: T Nakamura; T Suzuki; S Kobayashi; A Matsuura; M Shirai; K Tatematsu; T Yamachika; M Tatematsu Journal: J Gastroenterol Date: 1997-04 Impact factor: 7.527