1Irwin RS,Boulet LP,Cloutier MM,et al.Managing cough as a defensemechanism and as a symptom:a consensus panel report the american college of chest physicians.Chest,1998,114 Suppl:133-181.
2Wilson R.The role of infection in COPD.Chest,1998,113(4):242-248.
7O' Carroll RE, Smith K, Couston M, et al. A comparison of the WHO- QOL-100 and the WHOQOL-BREF in detecting change in quality of life following liver transplantation. Quality of Life Research,9:121-124.
8Verbitski ON, Butorov IV, Purkh TIu, et al. Lisinopril in the treatment of patients with chronic pulmonale. Probl Tuberk Bolezn Legk ,2003,13:22- 25.
9Jones PW, Harding G, Berry P,et al. Development and first vali- dation of the COPD Assessment Test [ J ]. Eur Respir J, 2009,34 : 648 - 654.
10AST Committee on Proficiency Standards for Clinical Pulmonary Function Laboratories. AST statement : guidelines for the six-mi- nute walk test[ J]. Am J Rerpir Crit Care Med,2002,166 ( 1 ) : 11 -1t7.
