@misc{indiciaeb07aaca0a456,
  title = {Site-directed mutagenesis using altered beta-lactamase specificity.},
  author = {Christine A Andrews and Scott A Lesley},
  year = {2002},
  doi = {10.1385/1-59259-194-9:007},
  url = {https://pubmed.ncbi.nlm.nih.gov/11768977/},
  note = {Source identifier: 11768977}
}