Y. Koyama

发表

A. Adachi, Y. Koyama, K. Asai, 1998, Bulletin of environmental contamination and toxicology.

T. Okano, A. Adachi, Y. Koyama, 2000 .

Kikuyasu Nakamura, K. Hikosaka, M. Yamada, 2006, Phytotherapy research : PTR.