title: COPD: a new global challenge to lung health.
authors.forename: Guy
authors.initials: G
authors.lastname: Marks
authors.forename: Moira
authors.initials: M
authors.lastname: Chan-Yeung
mesh_terms: D014943:Global Health; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000209:etiology / Q000401:mortality / Q000628:therapy; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects; D016540:Smoking Cessation; D016896:Treatment Outcome