参考文献

Hirst, Gavin C.; Arnold, Lee D.; Burchat, Andrew; Wishart, Neil; Calderwood, David; Wada, Carol K.; Michaelides, Michael R.; Ji, Zhiqin; Muckey, Melanie Patent: US2003/225098 A1, 2003 ; Location in patent: Page 28 ; US 20030225098 A1