title: [The frequency of chronic bronchitis between knappschaft-insured and non-knappschaft-insured men and women (author's transl)].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001991:Bronchitis / Q000453:epidemiology*; D002908:Chronic Disease; D003032:Coal Mining; D004391:Dust; D005260:Female; D005860:Germany, West; D006801:Humans; D007348:Insurance, Health; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000453:epidemiology*; D012737:Sex Factors
chemical_list: D004391:Dust
vernacular_title: Die Häufigkeit der kinisch behandelten chronischen Bronchitis bei knappschaftsversicherten und nicht-knappschaftsversicherten Männern und Frauen