参考文献:
BRISTOL-MYERS SQUIBB COMPANY YEUNG, Kap-Sun PARCELLA, Kyle, E. BENDER, John, A. BENO, Brett, R. GRANT-YOUNG, Katharine, A. HAN, Ying HEWAWASAM, Piyasena KADOW, John, F. NICKEL, Andrew Patent: WO0/9 A, 0 Location in patent: Page/Page column 5-55 WO 0/9 A