title: [Environmental respiratory diseases: chronic bronchitis: unaffected by air pollution?].
authors.forename: Peter
authors.initials: P
authors.lastname: Pommer
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D000397:Air Pollution / Q000032:analysis / Q000706:statistics & numerical data*; D029481:Bronchitis, Chronic / Q000175:diagnosis* / Q000453:epidemiology*; D015897:Comorbidity; D004391:Dust / Q000032:analysis*; D006801:Humans; D015994:Incidence; D038622:Internationality; D012307:Risk Factors; D012907:Smoking / Q000453:epidemiology*
chemical_list: D000393:Air Pollutants; D004391:Dust