[Clinical significance of acute exacerbation in chronic obstructive pulmonary disease].
Li
Jian-Sheng
JS
Research Institute of Geriatric Medicine, Traditional Chinese Medicine, Zhenzhou 450008, Henan, China. ljs8@371.net
Wang
Ming-Hang
MH
D000208:Acute Disease; D018450:Disease Progression; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000473:pathology*