参考文献:
GENENTECH,INC. FORMA TM, LLC BAIR, Kenneth W. BAUMEISTER, Timm R. BUCKMELTER, Alexandre J. CLODFELTER, Kanl H. DRAGOVICH, Peter HAN, Bingsong LIN, Jian LIU, Xiongcai REYNOLDS, Dominic J. SMITH, Chase C. WANG, Zhongguo YUEN, Po-Wai ZAK, Mark ZHANG, Yamin ZHENG, Xiaozhang ZHAO, Guiling Patent: WO03/768 A, 03 Location in patent: Page/Page column 7 7