@misc{indiciaec6abd638e3c8,
  title = {A new aspirating syringe.},
  author = {A Cowan},
  year = {1972},
  doi = {10.1038/sj.bdj.4802947},
  url = {https://pubmed.ncbi.nlm.nih.gov/4511821/},
  note = {Source identifier: 4511821}
}