Worldwide problems of byssinosis.
D000349:Africa; D002095:Byssinosis / Q000175:diagnosis* / Q000453:epidemiology / Q000517:prevention & control; D005061:Europe, Eastern; D005260:Female; D005541:Forced Expiratory Volume; D006801:Humans; D008297:Male; D008875:Middle Aged; D014481:United States