参考文献:
ABBOTT LABORATORIES GOMTSYAN, Arthur R. VOIGHT, Eric A. BAYBURT, Erol K. CHEN, Jun DAANEN, Jerome F. DIDOMENICO, Stanley, Jr. KORT, Michael E. KYM, Philip R. MCDONALD, Heath A. PERNER, Richard J. SCHMIDT, Robert G. Patent: WO2/4542 A, 2 Location in patent: Page/Page column 2 WO 2/4542 A