Carbon paper dermatitis due to nigrosine.
D000328:Adult; D000814:Aniline Compounds; D004396:Coloring Agents; D009783:Dermatitis, Occupational / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D008297:Male; D010209:Paper; D012882:Skin Tests
D000814:Aniline Compounds; D004396:Coloring Agents