@misc{indiciae968499ed63be,
  title = {Directed mutation: paradigm postponed.},
  author = {D G MacPhee},
  year = {1993},
  doi = {10.1016/0027-5107(93)90058-n},
  url = {https://pubmed.ncbi.nlm.nih.gov/7678124/},
  note = {Source identifier: 7678124}
}