参考文献

Blatt, Lawrence M.; Andrews, Steven W.; Condroski, Kevin R.; Doherty, George A.; Jiang, Yutong; Josey, John A.; Kennedy, April L.; Madduru, Machender R.; Stengel, Peter J.; Wenglowsky, Steven M.; Woodard, Benjamin T.; Woodard, Laura Patent: US2005/267018 A1, 2005 ; US 20050267018 A1