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