参考文献

Doherty, Elizabeth M.; Katon, Jodie; Norman, Mark H.; Retz, Daniel M.; Wang, Xianghong; Bo, Yunxin Y.; Tamayo, Nuria; Nishimura, Nobuko; Liao, Hongyu Patent: US2006/241296 A1, 2006 ; Location in patent: Page/Page column 63 ; US 20060241296 A1