2Bush K, Jacoby G A, Medeires A A. A functional classification scleme for β-lactamases and its correlation with molecular structure. Antimicrob Agents Chemother, 1995,39:1211～1233
4Du Bois S K, Marriant M S, Amyes S G B. TEM-and SHV-derived extended-specture and spectrum β-lactamases: relationship between selection, strucrure and function. J Antimicrob Chemother, 1995,35:7～22
5George DL,Arnow PM,Fox AS,et al.Bacterial infection as a complication of liver transplantation:epidemiology and risk factors.Rev Infect Dis,1991,13:387-392.
6Singh N.Infectious diseases in the liver transplant recipient.Semin Gastrointest Dis,1998,9:136-146.
7Singh N,Paterson DL,Chang FY,et al.Methicillin-resistant Staphylococcus aureus:the other emerging resistant gram-positive coccus among liver transplant recipients.Clin Infect Dis,2000,30:322-327.
8Sheng R,Ramirez CB,Zajko AB,et al.Biliary stones and sludge in liver transplant patients:a 13-year experience.Radiology,1996,198:243-247.
