title: [Prevalence of chronic bronchitis symptoms in workers of chemical industries (author's transl)].
mesh_terms: D000328:Adult; D000367:Age Factors; D001991:Bronchitis / Q000175:diagnosis / Q000453:epidemiology*; D002617:Chemical Industry; D002908:Chronic Disease; D003371:Cough / Q000209:etiology; D006801:Humans; D008875:Middle Aged; D009784:Occupational Diseases / Q000453:epidemiology*; D009790:Occupations; D012907:Smoking / Q000150:complications; D013147:Spirometry
vernacular_title: Prévalence des signes de bronchite chronique chez les ouvriers de l'industrie chimique.