[Present status of medical treatment for patients with chronic obstructive pulmonary disease based upon different severity classifications].
Sun L, Chen Y, Chang C, Kang J, Cai B, Zhou X, Liu Z, Chen P, Sun D, Zheng J, Wang G, Feng Y, Xu Y, Jia Y, Lu M, Wang X, Yao W.
Sun L, et al. Among authors: chen p, chen y.
Zhonghua Yi Xue Za Zhi. 2015 Mar 3;95(8):570-6.
Zhonghua Yi Xue Za Zhi. 2015.
PMID: 25917030
Chinese.