Pneumoconiosis in ferrosilicon workers. A follow-up study.
D000368:Aged; D000497:Alloys; D001344:Autopsy; D003951:Diagnostic Errors; D005500:Follow-Up Studies; D006801:Humans; D007501:Iron; D008297:Male; D008669:Metallurgy; D009664:Norway; D011859:Radiography; D012825:Silicon; D012829:Silicosis / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000453:epidemiology / Q000473:pathology; D013548:Sweden; D014481:United States
D000497:Alloys; D007501:Iron; D012825:Silicon