参考文献:
AMGEN INC. ASHTON, Kate BARTBERGER, Michael D. BOURBEAU, Matthew Paul CROGHAN, Michael D. FOTSCH, Christopher H. HUNGATE, Randall W. KONG, Ke NISHIMURA, Nobuko NORMAN, Mark H. PENNINGTON, Lewis D. REICHELT, Andreas SIEGMUND, Aaron C. TADESSE, Seifu ST. JEAN, David Jr YANG, Kevin C. YAO, Guomin Patent: WO21/1782 A1, 21 Location in patent: Page/Page column 197