@misc{indiciaeb5fcaea63e44,
  title = {Simple oxygen-failure safety device.},
  author = {H T Davenport and B M Wright},
  year = {1974},
  doi = {10.1136/bmj.3.5930.570},
  url = {https://pubmed.ncbi.nlm.nih.gov/4528728/},
  note = {Source identifier: 4528728}
}