@misc{indiciae007760ee913f,
  title = {Indol Production by Bacteria.},
  author = {J F Norton and M V Sawyer},
  year = {1921},
  doi = {10.1128/jb.6.5.471-478.1921},
  url = {https://pubmed.ncbi.nlm.nih.gov/16558933/},
  note = {Source identifier: 16558933}
}