Authors: M Ebara; M Ohto; T Shinagawa; N Sugiura; K Kimura; S Matsutani; M Morita; H Saisho; Y Tsuchiya; K Okuda Journal: Gastroenterology Date: 1986-02 Impact factor: 22.682
Authors: S Shiina; H Yasuda; H Muto; K Tagawa; T Unuma; K Ibukuro; Y Inoue; R Takanashi Journal: AJR Am J Roentgenol Date: 1987-11 Impact factor: 3.959
Authors: K Takayasu; Y Muramatsu; N Moriyama; H Hasegawa; M Makuuchi; N Okazaki; S Hirohashi; S Tsugane Journal: Cancer Date: 1989-11-01 Impact factor: 6.860