1Clinical and laboratory Standard Institute. Performance standards for anti- nficrobial susceptibility testing. Seventeenth Informational Supplement, 2O07. 100-117.
2National Committee for Clinical Laboratory Standards. Performance stand- ards for antimicrobial susceptibility testing. NCCLS,2004.1-50.
4Hidron AI,Edwards JR, Patel P, et al. Antimicrobial-resistant pathogens associatel with heahhcare-associated infections : annual summary of datareported to the National Health-care Safety Network at the Centers for Disease Control Preventoin, 2006-2007. Infect control Hosp Epidemiol, 2008,29:996-1011.
5Kohlenber A, Schwab F, Geffers C, et al. Time-trends for gram-negative and muhidrug-resistant gram-positive bacteria associated with nosocomialinfections in German intensive eareunits between 2000 and 2005. Clin Microbiol Infect,2008,14:93-95.
6Borch'ardt MA, Chyou PH, DeVries EO, et al. Septic system density and infectious diarrhea in a defined population of children. Environ Health Perspect ,2003,111:742-748.
2Lee J.Efficacy of cultures in the management of open fractures.Clin Orthoprelat Res,1997,339:71-75.
3Vonberg RP,Wolter A,Chaberny IF,et al.Epidemiology of multidrug-resistant gram-negative bacteria:data from an university hospital over a 36-month period.Int J Hyg Environ Health,2008,211:251-257.
4Roth AI,Fry DE,Polk HC.Infection morbidity in extremities fracture.J Trauma,1986,26:757-761.