title: Susceptibility to exacerbation in COPD.
authors.forename: Xiang-Dong
authors.initials: XD
authors.lastname: Mu
mesh_terms: D004198:Disease Susceptibility; D006801:Humans; D010342:Patient Acceptance of Health Care; D010641:Phenotype; D029424:Pulmonary Disease, Chronic Obstructive; D012008:Recurrence; D012720:Severity of Illness Index