参考文献

Bhatia, Pramila A.; Daanen, Jerome F.; Hakeem, Ahmed A.; Kolasa, Teodozyj; Matulenko, Mark A.; Mortell, Kathleen H.; Patel, Meena V.; Stewart, Andrew O.; Wang, Xueqing; Xia, Zhiren; Zhang, Henry Q. Patent: US2003/229094 A1, 2003 ; Location in patent: Page 73 ; US 20030229094 A1