参考文献

Kubo, Hajime; Kobayashi, Junji; Higashiyama, Kimio; Kamei, Junzo; Fujii, Yuji; Ohmiya, Shigeru Biological and Pharmaceutical Bulletin, 2000, vol. 23, # 9 p. 1114 - 1117 doi: 10.1248/bpb.23.1114