@misc{indiciaea406dcad32ce,
  title = {Residual benzidine in imported and domestic benzidine dyes.},
  author = {M F Boeniger and H P Stein and G Choudhary and C E Neumeister},
  year = {1981},
  doi = {10.1016/0378-4274(81)90019-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/7330903/},
  note = {Source identifier: 7330903}
}