参考文献
Holloway, M. Katharine; Liverton, Nigel J.; Ludmerer, Steven W.; McCauley, John A.; Olsen, David B.; Rudd, Michael T.; Vacca, Joseph P.; McIntyre, Charles J.
Patent: US2007/27071 A1, 2007 ;
Location in patent: Page/Page column 97 ;
US 20070027071 A1