title: [Frequency of chronic bronchitis in different socio-occupational groups. II. Workers of a steel factory (author's transl)].
mesh_terms: D000328:Adult; D000497:Alloys; D001991:Bronchitis / Q000453:epidemiology* / Q000503:physiopathology; D002248:Carbon Monoxide; D002908:Chronic Disease; D004781:Environmental Exposure; D005602:France; D006801:Humans; D008875:Middle Aged; D009784:Occupational Diseases / Q000453:epidemiology*; D009790:Occupations; D012119:Respiration; D012129:Respiratory Function Tests; D012907:Smoking; D013147:Spirometry
chemical_list: D000497:Alloys; D002248:Carbon Monoxide
vernacular_title: Prévalence de la bronchite chronique dans différents groupes socio-professionnels. II. Ouvriers d'une usine sidérurgiquel