参考文献

McCormick, Kevin D.; Aslanian, Robert G.; Mangiaracina, Pietro; Berlin, Michael Y.; De Lera Ruiz, Manuel; Boyce, Christopher W.; Chao, Jianhua; Ting, Pauline C.; Zheng, Junying; Rosenblum, Stuart B. Patent: US2011/166124 A1, 2011 ;