Occupational contact urticaria to fresh cow and pig blood in slaughtermen.
D000003:Abattoirs; D000328:Adult; D000818:Animals; D001769:Blood; D002417:Cattle; D003877:Dermatitis, Contact / Q000209:etiology; D006801:Humans; D008297:Male; D009784:Occupational Diseases / Q000209:etiology*; D013552:Swine; D014581:Urticaria / Q000209:etiology*