title: [Strengthen researches on the variation in the susceptibility of chronic obstructive pulmonary disease and on its relevant causes in smoking population].
authors.forename: Yong-jian
authors.initials: YJ
authors.lastname: Xu
mesh_terms: D004198:Disease Susceptibility; D006801:Humans; D015995:Prevalence; D029424:Pulmonary Disease, Chronic Obstructive / Q000453:epidemiology / Q000209:etiology*; D012907:Smoking / Q000009:adverse effects* / Q000453:epidemiology