Letter: Hazards of o-toluidine.
D002273:Carcinogens; D006801:Humans; D012867:Skin / Q000187:drug effects; D014052:Toluidines / Q000506:poisoning* / Q000633:toxicity; D014481:United States; D014486:United States Food and Drug Administration
D002273:Carcinogens; D014052:Toluidines