8Mehta S,Jay G D,Woolard R H,et al.Randomized,prospective trial of bilevel versus continuous positive airway pressure in acute pulmonary edema[J].Crit Care Med,1997,25:620-628.
9Vaisanen I T,Rasanen J.Continuous positive airway pressure and supplemental oxygen in the treatment of cardiogenic pulmonary edema[J].Chest,1987,92:481-485.
10Udwadia Z F,Santis G K,Steven M H,et al.Nasal ventilation to facilitate weaning in patients with chronic respiratory insufficiency[J].Thorax,1992,47:715-718.