E. Osborne Coates Jr., M.D., F.A.C.P.; John H. L. Watson, Ph.D.
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The manufacture of tungsten carbide, an extraordinarily hard material widely used for cutting tools, has been suspected for several years of producing progressive lung disease, but to date only scattered case reports have appeared. A distinctive pattern of pulmonary disease has been observed in a group of 11 symptomatic workers exposed for various periods of time to finely divided tungsten carbide. All demonstrated slowly progressive infiltrates in the lungs, accompanied by cough, dyspnea, weight loss, and decreasing vital capacity. In three additional persons hacking coughs developed after shorter exposure, subsided on removal, and recurred on return to work; vital capacity
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Coates EO, Watson JHL. Diffuse Lung Disease in Tungsten Carbide Workers, with Observations Using Electron Microscopy.. Ann Intern Med. 1970;72:808–809. doi: 10.7326/0003-4819-72-5-808_4
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Published: Ann Intern Med. 1970;72(5):808-809.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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