参考文献:
PFIZER INC. BAILEY, Simon BURKE, Benjamin, Joseph COLLINS, Michael, Raymond CUI, Jingrong, Jean DEAL, Judith, Gail HOFFMAN, Robert, Louis HUANG, Qinhua JOHNSON, Ted, William KANIA, Robert, Steven KATH, John, Charles LE, Phuong, Thi, Quy MCTIGUE, Michele, Ann PALMER, Cynthia, Louise RICHARDSON, Paul, Francis SACH, Neal, William Patent: WO203/32376 A, 203 Location in patent: Page/Page column 238