参考文献

Ezure, Yohji; Maruo, Shigeaki; Kojima, Masahiko; Sakai, Tomonori; Yamamoto, Hirofumi; Tachikake, Noriyuki; Ogawa, Hirotsugu; Toda, Masaya Bioscience, Biotechnology and Biochemistry, 1997 ,  vol. 61,  # 11  p. 1931 - 1933