title: [Air in mines and health risk (2): A clinical study of bronchitis in underground workers].
mesh_terms: D000328:Adult; D000397:Air Pollution; D001991:Bronchitis / Q000453:epidemiology*; D004781:Environmental Exposure; D006801:Humans; D008297:Male; D008875:Middle Aged; D008906:Mining; D009784:Occupational Diseases / Q000453:epidemiology*; D012907:Smoking / Q000150:complications; D013548:Sweden; D014691:Ventilation
vernacular_title: En klinish undersökning riktad mot bronkit hos underjordsarbetare.