Pneumoconiosis in the tungsten-carbide tool industry; report of three cases.
D006801:Humans; D011009:Pneumoconiosis; D014414:Tungsten / Q000031:analogs & derivatives; D017973:Tungsten Compounds
D017973:Tungsten Compounds; C002802:tungsten carbide; D014414:Tungsten
PNEUMOCONIOSES; TUNGSTEN/derivatives