参考文献

Yura, Takeshi; Concepcion, Arnel b; Han, Gyoonhee; Marumo, Makiko; Yoshino, Hiroko; Kawamura, Norihiro; Kokubo, Toshio; Komura, Hiroshi; Li, Yingfu; LOwinger, Timothy B; Mogi, Muneto; Yamamoto, Noriyuki; Yoshida, Nagahiro; Miller, Scott; Popp, Margaret A; Redmann, Aniko M; Rodriguez, Martha E; Scott, William J; Wang, Ming Patent: US2004/54179 A1, 2004 ;