5O' Grady NP, Alexander M,Dellinger EP, et al. Guidelines for the prevention of intravascular catheter-related Infections. Centers for Disease Control and Prevention.MMWR Recomm Rep, 2002,51:1-29.
6National Nosocomial Infections Surveillance System .National Nosocomial Infections Surveillance (NNIS) System Report, summary from January 1992 to June 2002, issued August 2002.Am J Infect Control ,2002,30:458-475.
7Ducel G, Fabry J, Nicolle L. Prevention of hospital-acquired infections-a practical guide(2nd edition). WHO document 2002.
8Nguyen GT, Proctor SE, Sinkowitz-Cochran RL,et al. Status of infection surveillance and control programs in the United States,1992-1996.Associaon for Professionals in Infection Control and Epidemiology,Inc.Am J Infect Control,2000,28:392-400.
7Clinical and Laboratory Standards Institue. Performance Standard for Antimicrobial Susceptibility Testing; Eighteenth Informational Supplement. M100 - S18. Vol 25 No 1. 2007.
8CERNIGLIA C E, KOTARSKI S. Evaluation of veterinary drug residues in food for their potential to affect human intestinal microflora[ J]. Regul Toxicol Pharmacol, 1999,29 (3) :238-261.
9EMEA/CVMP. Revised guideline on the safety evaluation of antimierobial substances regarding the effects on human gut flora. [ EB/OL]. [ 2002-01-09 ] http ://www. emea. eu. int/pals/vet/swp/023401 en. rxif.
10VICH. VICH safety working group studies to evaluation the safety residues of veterinary drugs in human food. General approach to establish a microbiological ADI. [EB/OL]. [2007-4-30] http://www. emea. europa. eu/pdfs/vet/vich/046703 en. pdf.
