title: [Etiological problem of chronic bronchitis in clinical practice].
mesh_terms: D001991:Bronchitis / Q000209:etiology*; D002908:Chronic Disease; D004196:Disease Outbreaks; D005260:Female; D006801:Humans; D008297:Male; D009784:Occupational Diseases / Q000150:complications; D012130:Respiratory Hypersensitivity / Q000150:complications; D012907:Smoking / Q000150:complications; D015022:Yugoslavia
vernacular_title: Problem etiologije hronicnog bronhitisa u klinickoj praksi