@misc{indiciae038396c1efdd,
  title = {An expanding genetic code.},
  author = {Jianming Xie and Peter G Schultz},
  year = {2005},
  doi = {10.1016/j.ymeth.2005.04.010},
  url = {https://pubmed.ncbi.nlm.nih.gov/16076448/},
  note = {Source identifier: 16076448}
}