Lung cancer in haematite miners.
D005500:Follow-Up Studies; D006801:Humans; D007501:Iron / Q000009:adverse effects; D008175:Lung Neoplasms / Q000139:chemically induced*; D008297:Male; D008906:Mining; D009381:Neoplasms, Radiation-Induced; D009784:Occupational Diseases / Q000209:etiology*; D011886:Radon / Q000009:adverse effects
D007501:Iron; D011886:Radon