参考文献

Brooks, Dawn Alisa; Conner, Scott Eugene; Dominianni, Samuel James; Godfrey, Alexander Glenn; Gossett, Lynn Stacy; Rito, Christopher John; Tripp, Allie Edward; Warshawsky, Alan M.; Winneroski, Leonard Larry; Zhu, Guoxin Patent: US2004/24034 A1, 2004 ;