6National committee for clinical laboratry standards.Performation standards for antimicrobial susceptibility testins:twelfth informtional supplement. M100-S12,Pennsyvania:NCCLS,2002,22(1):48
7Arakawa Y,Shibatb N,Shibayama K,et al.Convenient test for screening metallo-β-lactamase-producing gram-negative bacteria by using thiol compounds.J Clin Miorobiol,2000,38:40
8NCCLS.Performance standards for antimicrobial susceptibility testing[S].Fifteenth informational supplement.M100-S15.National Committee for Clinical Laboratory Standards,2005.25(1):34-42.
9Nccls. Perfomation sandards of antimicrobial susceptibility testing: Fifteenth informational supplement. M100 - S15. National Committee for Clinical Laboratry Standards,2005,25(1) :40~42.