2Peng Y, Mei Z, Yichong L, et al. Prevalence of COPD and its association with socioeconomic status in China Chronic Disease Risk Factor Surveillance 2007 [J]. BMC Health, 2011 (11) : 1471 -2458.
3Rabe KF, Hurd S, Anzueto A, et al. Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease: GLOD executive summary [ J]. Am J Respir Crit Care Med, 2007, 176 (6) : 532 -555.
6Zhong N, Wang C, Ran P, et al. Prevalence of chronic obstructive pulmonary disease in China: a large, population - based survey [ J]. Am J Respir Crit Care Med, 2007 (176) : 753 - 760.
8Arslan Z, Ilgazl A, Etiler N, et al. Prevalence of chronic obstructive pulmonary disease in koeaeli: an industrialised city in Turkey [J]. Balkan Med, 2013, 30 (4): 387-393.
9Menezes AM, Perez- Padilla R, JR, et 81. Chronic obstructive pulmonary disease in five Latin study) : a prevalence study [J] - 1881. American cities (the PLATINO Lancet, 2005 (366): 1875.
10Chapman KR, Mannino DM, Soriano JB, et al. Epidemiology and cost of chronic obstructive pulmonary disease [ J ]. Eur Respir, 2006, 27 (1): 188-207.
