6Ambrosetti M,Ageno W,Spanevello A,et al. Prevalence and prevention of venous thromboembolisrn in patients with acute exacerbations of COPD[J]. Thromb Res,2003,112(4) :203 - 207.
7Gunen H,Gulbas G. Venous thromboembolism and exacerbations of COPD[J]. Eur Respir J,2010,35(6):1243 - 1248.
8Konstaninides S,Geibel A,Olschewski M,et al. Importance of cardiac troponins I and T in risk stratification of patients with acute pulmonary emholism[J]. Circulation, 2002,106 : 1263 - 1268.
9Girard P, Sanche Z, Leroyer C,et al. Deep venous thrombosis in patients with acute pulmonary embolism: Prevalence, risk factors, and clinical significance[J]. Chest, 2005,128 : 1593.
3Stein PD, Henry JW. Prevalence of acute pulmonary embolism among patients in a general hospital and at autopsy [J]. Chest, 1995,108 : 978-981.
4Quinn DA, Fogel RB, Smith CD, et al. D-dimers in the diagnosis of pulmonary embolism[J]. Am J Respir Crit Care Med,1999,159(5 Pt 1):1445-1449.
5Goldhaber SZ, Visani L, De Rosa M. Acute pulmonary embolism:clinical outcomes in the International Cooperative Pulmonary Embolism Registry (ICOPER) [J]. Lancet, 1999, 353:1386-1389.
