A population study in cotton ginnery workers in the Sudan.
D000328:Adult; D000704:Analysis of Variance; D002095:Byssinosis / Q000453:epidemiology / Q000503:physiopathology; D004391:Dust; D006801:Humans; D008297:Male; D011009:Pneumoconiosis / Q000453:epidemiology*; D013147:Spirometry; D013397:Sudan; D013783:Textile Industry
D004391:Dust