@misc{indiciaedd23cd1615ee,
  title = {Differential agar-diffusion bioassay for cytotoxic substances.},
  author = {D Perlman and W L Lummis and H J Geiersbach},
  year = {1969},
  doi = {10.1002/jps.2600580530},
  url = {https://pubmed.ncbi.nlm.nih.gov/5816029/},
  note = {Source identifier: 5816029}
}