2Wysocki M,Richard.JC,Meshaka P.Noninvasive proportional assist ventilation compared with noninvasive pressure support ventilation in hypercapnic acute respiratory failure.Crit Care Med,2002,30:323.
3Pauwels RA,Buist AS,Calverley PM,et al.Global strategy for the diagnosis,management,and prevention of chronic obstructive pulmonary disease.NHLBI/WHO Global Initiative for Chronic Obstructive Lung Disease (GOLD) Workshop summary.Am J Respir Crit Care Med.2001,163:1256-1276.
