4Fareed P, Walenga J, Kaman A. A modified stasis thrombosis modei to study the antithromtobic actions of heparln and its fractions [ J ]. Semin Thromb Haemost, 1995,11 : 155 - 159.
5[3]Afessa B,Morales IJ,Scanlon PD,et al.Prognostic factors.clinical course,and hospital outcome of patients with chronic obstructive pulmonary disease admitted to an intensive care unit for acute respiratory failure[J].Crit Care Med,2002,30(7):1610-1615.
6[4]Bulpa PA,Dive AM,Garrino MG,et al.Chronic obstructive pulmo-nary disease patients with invasive pulmonary aspergillosis:benefits of intensive care[J].Intensive Care Med,2001,27(1):59-67.
7[5]Siefkin AD.Optimal pharmacologic treatment of the critically ill patient with obstructive airways disease[J].Am J Med,1996,29,100(1A):54-61.