参考文献

GILEAD SCIENCES, INC.; Delaney, William E.; Link, John O.; Mo, Hongmei; Oldach, David W.; Ray, Adrian S.; Watkins, William J.; Yang, Cheng Yong; Zhong, Weidong Patent: US2013/273005 A1, 2013 ; Location in patent: Paragraph 0363; 0364 ;