title: The epidemiological impasse.
authors.forename: F A A
authors.initials: FA
authors.lastname: Mohamed Hoesein
authors.forename: P
authors.initials: P
authors.lastname: Zanen
mesh_terms: D000328:Adult; D006801:Humans; D015995:Prevalence; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis / Q000453:epidemiology*; D012129:Respiratory Function Tests