@misc{indiciae0a7dec799a4b,
  title = {A disposable oxygen mask.},
  author = {T H BURNS and J M HALL},
  year = {1953},
  doi = {10.1136/bmj.2.4837.672},
  url = {https://pubmed.ncbi.nlm.nih.gov/13082079/},
  note = {Source identifier: 13082079}
}