Role of dust in the working environment in development of chronic bronchitis in British coal miners.
D000328:Adult; D000367:Age Factors; D000397:Air Pollution; D001827:Body Height; D001991:Bronchitis / Q000209:etiology*; D002908:Chronic Disease; D003032:Coal Mining; D004391:Dust; D006801:Humans; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000209:etiology; D011009:Pneumoconiosis / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography; D012907:Smoking; D013147:Spirometry; D013997:Time Factors; D006113:United Kingdom
D004391:Dust