3Oztoprak N,Cevik MA,Akinci E,et al. Risk factors for ICU- acquired met hicillin-resistant Staphylococcus aureus infections. Am J Infect Control, 2006,34 :1-5.
4Bonten MJ, Kollef MH, Hall JB. Risk factors for ventilatorassociated pneumonia: from epidemiology to patient management. Clin Infect Dis, 2004,38 : 1141-1149.
5Vonberg RP, Gastmeier P. Infection control measures in anaesthesia. Anasthesiol Intensivmed Notfallmed Schmerzther, 2005,40:453-458.
6Wilkes AR. Preventing the transmission of pathogenic mierobes during anesthesia. Expert Rev Med Devices, 2005, 2:319-326.
7Daniel P,Fowler AJ. Breathing system filter use for infection control and humidification during anesthesia and mechanical ventilation-a review. Middle East J Anesthesiol, 2001, 16: 161-184.
8Rees LM, Sheraton TE, Modestini C, et al. Assessing the efficacy of HME filters at preventing contamination of breathing systems. Anaesthesia, 2007,62 : 67-71.
9Turnbull D, Fisher PC, Mills GH, et al. Performance of breathing filters under wet conditions: a laboratory evaluation. Br J Anaesth, 2005,94 : 675-682.
