@misc{indiciae393060dd0241,
  title = {Expanding the genetic code.},
  author = {Lei Wang and Peter G Schultz},
  year = {2004},
  doi = {10.1002/anie.200460627},
  url = {https://pubmed.ncbi.nlm.nih.gov/15599909/},
  note = {Source identifier: 15599909}
}