5[1]National Committer for clinical Labooatory standards, Performame standards for antimicrobial susceptibility testing ninth informational supplement[S]. NCCLs, M100- S59 Pennsylvania, 1999,17-99.
6[2]Tzzelepi E, Glakkouip, Sofianou D, et al. Detetion of Extended spectrum β-Lactamases in clinical Isolates of Enterobacter cloace and Enterobacter aerogens[J]. Jclin Microbiol, 2001,38 : 542 -546.
7Kanazawa K,Nouda H,Sumita Y,et al.Structure-activity relationships of carbapenems to the antagonism of the antipseudomonal activity of other beta-lactam agents and to the be ta -lactamase inducibility in Pseudomonas aeruginosa:effects of l beta -methyl group and C-2 side chain[J].J Antibiot(Tokyo),1999,52:142-149.
8Performance Standards for Antimicrobiai Disk Susceptibility Testing[S].Fourteenth Informational Supplement:NCCLS M100-S14.
9Hussar DA.New drugs of 1996.A record total of 41 new therapeutic agents reached the US market for the first time in1996[J].J Am Pharm Assoc,1997,37:192-228.