Vanadium dust, chronic bronchitis and possible risk of emphysema; a follow-up investigation of workers at a vanadium factory.
D001991:Bronchitis / Q000209:etiology*; D029481:Bronchitis, Chronic; D004391:Dust; D004646:Emphysema; D005500:Follow-Up Studies; D006801:Humans; D011656:Pulmonary Emphysema / Q000209:etiology*; D014639:Vanadium / Q000506:poisoning*
D004391:Dust; D014639:Vanadium
BRONCHITIS/etiology and pathogenesis; EMPHYSEMA, PULMONARY/etiology and pathogenesis; VANADIUM/poisoning