參考文獻:
AbbVie Inc. Wang, Le Doherty, George Wang, Xilu Tao, Zhi-Fu Bruncko, Milan Kunzer, Aaron R. Wendt, Michael D. Song, Xiaohong Frey, Robin Hansen, Todd M. Sullivan, Gerard M. Judd, Andrew Souers, Andrew Patent: US2013/96121 A1, 2013 Location in patent: Paragraph 1697