Y. Sato

发表

A. Umezawa, Y. Asanuma, K. Koyama, 1995, Journal of surgical oncology.

T. V. van Gulik, K. Koyama, M. van der Heyde, 1993, Hepato-gastroenterology.

T. Sawai, Y. Asanuma, K. Koyama, 1991, Nihon Geka Gakkai zasshi.

K. Koyama, T. Matsushiro, J. Tanaka, 1991, Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology.

S. Yoshida, K. Koyama, T. Sato, 1992, Hepato-gastroenterology.