A study of possibility of early diagnosis of scirrhous type carcinoma in gastric mass survey - MISTUSHIMA, Tohru; YOKOUCHI, Keiji; TEJIMA, Hajime; HARA, Hisaya; YOKOTA, Toshihiro; ABE, Yohsuke; NAKAMOTO, Kazuya; FUJITA, Ryuzoh; NAGATANI, Kyohei (Journal of Gastroenterological Mass Survey, 1989)