5Leon C ,Mary FH. Pediatric advanced life support[M]. America Academy of Pediatrics, Credit Listing of 1988 Edition, 1994, American Heart Association :4 - 18.
6Simmons BP,Wong ES. Guidelines for prevention of nosocmial infection. Am J Infect Control,1983,11(3):230-244.
7Sanchez-Nieto JM,Torres A,Garcia-Cordoba F,et al. Impact of invasive and noninvasive quantiative culture sampling on outcome of ventilator-associated pneumonia:a pilot study. Am J Respir Crit Care Med,1998,157(4):371-376.
8Fagon JY,Chastre J,Wolff M,et al. Invasive and noninvasive strategies for management of suspected ventilator-associated pneumonia. A randomized trial. Ann Intern Med,2000,132 (7):621-630.
9Kollef MH,Shapiro SD, Fraser VJ,et al. Mechanical ventilator with or without 7-day circuit changes: a randimized controlled trial. Ann Intern Med,1995,123(2):168-174.
