@misc{indiciae090929fa3d6b,
  title = {Thymidine kinase mutants obtained by random sequence selection.},
  author = {K M Munir and D C French and L A Loeb},
  year = {1993},
  doi = {10.1073/pnas.90.9.4012},
  url = {https://pubmed.ncbi.nlm.nih.gov/8387207/},
  note = {Source identifier: 8387207}
}