Aniline dye poisoning.
D000328:Adult; D000814:Aniline Compounds / Q000506:poisoning*; D004396:Coloring Agents / Q000506:poisoning*; D006801:Humans; D008297:Male; D008708:Methemoglobinemia / Q000139:chemically induced*; D008875:Middle Aged; D009784:Occupational Diseases / Q000139:chemically induced*
D000814:Aniline Compounds; D004396:Coloring Agents