@misc{indiciae78f021dd1e3b,
  title = {Automatic electronic oxygen supply.},
  author = {P Ford and D J Hoodless},
  year = {1971},
  doi = {10.1136/bmj.1.5748.548},
  url = {https://pubmed.ncbi.nlm.nih.gov/5278618/},
  note = {Source identifier: 5278618}
}