@misc{indiciaec5b0d301b057,
  title = {Beta-lactamase assays.},
  author = {G W Ross and C H O'Callaghan},
  year = {1975},
  doi = {10.1016/0076-6879(75)43081-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/237219/},
  note = {Source identifier: 237219}
}