DUST AND COLLAGEN CONTENT OF LUNGS OF COAL-WORKERS WITH PROGRESSIVE MASSIVE FIBROSIS.
D003031:Coal; D003032:Coal Mining; D003094:Collagen; D004391:Dust; D006801:Humans; D008168:Lung; D011009:Pneumoconiosis; D011658:Pulmonary Fibrosis
D003031:Coal; D004391:Dust; D003094:Collagen
COAL MINING; COLLAGEN; PNEUMOCONIOSIS; PULMONARY FIBROSIS