title: Understanding the true burden of COPD: the epidemiological challenges.
authors.forename: Sundeep S
authors.initials: SS
authors.lastname: Salvi
authors.forename: Roslina
authors.initials: R
authors.lastname: Manap
authors.forename: Richard
authors.initials: R
authors.lastname: Beasley
mesh_terms: D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000453:epidemiology*