@misc{indiciaedf04b91f2f9e,
  title = {Rational oxygen therapy.},
  author = {J M Leigh},
  year = {1970},
  doi = {10.1136/bmj.4.5735.620},
  url = {https://pubmed.ncbi.nlm.nih.gov/5485188/},
  note = {Source identifier: 5485188}
}