@misc{indiciae18a6e6510bc8,
  title = {Unsterile local anesthesia.},
  author = {R H Propper},
  year = {1972},
  doi = {10.14219/jada.archive.1972.0128},
  url = {https://pubmed.ncbi.nlm.nih.gov/4500711/},
  note = {Source identifier: 4500711}
}