@misc{indiciaef5310a45acf5,
  title = {Nitrous oxide administration using commonly available oxygen therapy devices.},
  author = {P Joshi and R Ooi and N Soni},
  year = {1992},
  doi = {10.1093/bja/68.6.630},
  url = {https://pubmed.ncbi.nlm.nih.gov/1610639/},
  note = {Source identifier: 1610639}
}