参考文献:
ABBOTT LABORATORIES CALDERWOOD, David, J. WILSON, Noel, S. COX, Philip HOEMANN, Michael, Z. CLAPHAM, Bruce MULLEN, Kelly, D. VASUDEVAN, Anil VILLAMIL, Clara I LI, Bin SOMAL, Gagandeep Patent: WO01/48 A1, 01 Location in patent: Page/Page column 99-100 WO 01/048 A1