@misc{indiciaef025b05f3e8b,
  title = {A defect in a self-administration anesthesia system.},
  author = {C G Ball and F A Berry},
  year = {1972},
  doi = {10.1097/00000542-197205000-00020},
  url = {https://pubmed.ncbi.nlm.nih.gov/5021953/},
  note = {Source identifier: 5021953}
}