... gastric carcinogenesis: a multistep and multifactorial process -- First American Cancer Society Award Lecture on ... Scandinavian Journal of Gastroenterology 51, 531-537. 13. ... Nakachi, Yoshimasa Maeda, Naoki Shingaki, Toru Niwa, Hisanobu Deguchi, Izumi Inoue, Takao Maekita ...