title: Dust exposure, chronic bronchitis and emphysema.
mesh_terms: D000328:Adult; D000368:Aged; D001991:Bronchitis / Q000453:epidemiology / Q000209:etiology*; D002908:Chronic Disease; D003031:Coal; D004391:Dust; D005260:Female; D005860:Germany, West; D006801:Humans; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000453:epidemiology / Q000209:etiology*; D011656:Pulmonary Emphysema / Q000453:epidemiology / Q000209:etiology*; D012129:Respiratory Function Tests; D012907:Smoking; D013997:Time Factors
chemical_list: D003031:Coal; D004391:Dust