1GOLD Executive Committee. Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease (Updated 2006). www. goldcopd.com
2GOLD Executive Committee[DB/OL].Guidelines:Global Strategy for Diagnosis,Management,and Prevention of COPD,November 2006[2006-11-18].http://www.goldcopd.com/Guidelineitem.asp? l1 =2-12 = 1&intId =989.
3Celli BR,MacNee W,Committee members.Standard for the diagnosis and treatment of patients with COPD:a summary of the ATS/ERS position paper.Eur Respir J,2004,23:932-946.
4Celli BR,Cote CG,Marin JM,ct al.The body mass index,airflow obstruction,dyspnea and exercise capacity index in chronic obstructive pulmonary disease.N Engl J Med,2004,350:1005-1012.
6Fabbri LM,Luppi F,Beghe B,et al, Update in chronic obstructive pulmonary disease 2005. Am J Respir Crit Care Med,2006,173:1056 1065.
7Pauwels RA,Buist A, Calverley PMA,et al. Global strategy for the diagnosiz,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.
8GOLD Executive Committee, Global strategy for the diagnosis,management, and prevention of chronic obstructive pulmonary disease (Updated 2005). www.goldcopd.com
9GOLD Executive Committee. Global strategy for the diagnosis,management, and prevention of chronic obstructive pulmonary disease (Updated 2006). www. goldcopd.com