title: Geographic variability in COPD prevalence.
authors.forename: Joan B
authors.initials: JB
authors.lastname: Soriano
authors.forename: Bernd
authors.initials: B
authors.lastname: Lamprecht
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D011159:Population Surveillance / Q000379:methods*; D029424:Pulmonary Disease, Chronic Obstructive / Q000453:epidemiology*; D014505:Urban Population / Q000706:statistics & numerical data*