@misc{indiciae0e570c5ad9ca,
  title = {Oxygen therapy.},
  author = {E J Campbell},
  year = {1968},
  doi = {10.1056/nejm196803072781015},
  url = {https://pubmed.ncbi.nlm.nih.gov/5637244/},
  note = {Source identifier: 5637244}
}