参考文献

Yoshimura, Yuichi; Kano, Fumitaka; Miyazaki, Shuichi; Ashida, Noriyuki; Sakata, Shinji; Haraguchi, Kazuhiro; Itoh, Yoshiharu; Tanaka, Hiromichi; Miyasaka, Tadashi Nucleosides and Nucleotides, 1996, vol. 15, # 1-3 p. 305 - 324