title: [Risk factors in chronic bronchitis].
mesh_terms: D000328:Adult; D000395:Air Pollutants, Occupational / Q000009:adverse effects; D001991:Bronchitis / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology*; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012129:Respiratory Function Tests; D012306:Risk; D012907:Smoking
chemical_list: D000395:Air Pollutants, Occupational
vernacular_title: Factori de risc în bronşita cronică.