@misc{indiciae40c826ac5dec,
  title = {Natural variation in the genetic code.},
  author = {T D Fox},
  year = {1987},
  doi = {10.1146/annurev.ge.21.120187.000435},
  url = {https://pubmed.ncbi.nlm.nih.gov/3327473/},
  note = {Source identifier: 3327473}
}