参考文献

Goto, Koichi; Nakashima, Kentaro; Tanoue, Osamu; Nukushina, Satoshi; Toudo, Isao; Imamura, Chikara; Ihara, Yasuji; Matsumoto, Yoko; Ueoka, Ryuichi Chemical and pharmaceutical bulletin, 2002 , vol. 50, # 9 p. 1283 - 1285