WangS, GongW, TianY, YangM. Voluntary pulmonary function screening with GOLD standard: an effective and simple approach to detect lung obstruction. J Thoracic Dis, 2015; 7(11):1970–1977.
2.
WangS, GongW, TianY. Voluntary pulmonary function screening identifies high rates of undiagnosed asymptomatic chronic obstructive pulmonary disease. Chronic Respir Dis, 2016. Epub ahead of print. doi: 10.1177/1479972316631136.
3.
MenezesAM, Perez-PadillaR, JardimJR, MuiñoA, LopezMV, ValdiviaG, et al. Chronic obstructive pulmonary disease in five Latin American cities (the PLATINO study): a prevalence study. Lancet, 2005; 366(9500):1875–1881.
4.
PeñaVS, MiravitllesM, GabrielR, Jiménez-RuizCA, VillasanteC, MasaJF, et al. Geographic variations in prevalence and underdiagnosis of COPD: results of the IBERPOC multicentre epidemiological study. Chest, 2000; 118(4):981–989.
5.
ZhengJ, ZhongN. Normative values of pulmonary function testing in Chinese adults. Chin Med J, 2002; 115(1):50–54.