8Fink JB, Krause SA, Barrett L. Extending ventilator circuit change interral beyond 2 days reduces the likelihood of ventilator-associated pneumonia. Chest, 2000,113(4): 405-411.
9Martins DE, Araujo MT, Vieira SB,et el. Heated humidification or face mask to prevent upper airway dryness during continuous positive airway pressure therapy. Chest , 2000,117 : 142.
10Cereda M, Villa F, Colombo E, et al. Closed system endotracheal auctioning maintains tuns volume during volume-controlled mechanical ventilation. Intensive Care Med, 2001,27 (4) : 648-654.
