Authors: H Takagi; K Takehara; R Shimoda; S Kakizaki; H Takayama; T Abe; T Yamada; Y Hashimoto; S Saitoh; T Matsumoto; A Kojima; J Takezawa; K Yuasa; M Moriguchi; T Sekiguchi; T Nagamine; M Mori Journal: Dig Dis Sci Date: 1997-11 Impact factor: 3.199