3Giaid A,Saleh D.Reduced expression of endothelial nitric oxide synthase in the lungs of patients with pulmonary hypertension [J].N Engl J Med,1995,333(1):214～221
4Lubien E,Demaria A,Krishnaswamy P,et al.Utility of B-natriuretic peptide in detecting velocity recordings [J].Circulation,2002,105(5):595～601
5Adont S,Andrivet P,Chabrier PE,et al.Atrial natriuretic factor in chronic obstructive lung disease with pulmonary hypertension [J].J Clin Invest,1989,83:986～993
5Dusser D, Bravo ML, Iacono P. The effect of tiotmpium one exacer- bations and airflow in patients with COPD [ J ]. Eur Respir J, 2006, 27 (3) :547-555.
