Contact eczema from cow saliva.
D000328:Adult; D000382:Agricultural Workers' Diseases / Q000175:diagnosis / Q000209:etiology*; D000818:Animals; D002417:Cattle; D003877:Dermatitis, Contact / Q000175:diagnosis / Q000209:etiology*; D009783:Dermatitis, Occupational / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D008297:Male; D010328:Patch Tests; D011852:Radioallergosorbent Test; D012463:Saliva