Chest symptomatology in an Egyptian cement-asbestos pipe factory. (A field survey).
D001195:Asbestosis / Q000175:diagnosis*; D004391:Dust; D004534:Egypt; D006801:Humans; D008297:Male; D011009:Pneumoconiosis / Q000175:diagnosis* / Q000453:epidemiology; D013902:Radiography, Thoracic
D004391:Dust