参考文献

Chen, Guoqing; Adams, Jeffrey; Bemis, Jean; Pietro, Lucian Di; Dominguez, Celia; Elbaum, Daniel; Germain, Julie; Huang, Qi; Kim, Joseph L.; Ouyang, Xiaohu; Patel, Vinod F.; Smith, Leon M.; Tasker, Andrew; Xi, Ning; Xu, Shimin; Yuan, Chester Chenguang; Croghan, Michael; Kim, Tae-Seong Patent: US2003/195230 A1, 2003 ;