Primary lung cancer in South Wales coal-workers with pneumoconiosis.
D003031:Coal; D006801:Humans; D008175:Lung Neoplasms; D009784:Occupational Diseases; D011009:Pneumoconiosis / Q000150:complications*; D014852:Wales
D003031:Coal
LUNGS/neoplasms; OCCUPATIONAL DISEASES; PNEUMOCONIOSES/complications