Original Research

Comparison of the clinical characteristics and comprehensive assessments of the 2011 and 2017 GOLD classifications for patients with COPD in China

Hu YH, Liang ZY, Xu LM, Xu WH, Liao H, Li R, Wang K, Xu Y, Ou CQ, Chen X

International Journal of Chronic Obstructive Pulmonary Disease 2018, 13:3011-3019

Published Date: 28 September 2018