Benzidene threat?
D001560:Benzidines / Q000506:poisoning*; D004396:Coloring Agents; D006801:Humans; D009784:Occupational Diseases / Q000139:chemically induced*; D001749:Urinary Bladder Neoplasms / Q000139:chemically induced
D001560:Benzidines; D004396:Coloring Agents