@misc{indiciaecbf7db85df97,
  title = {Warning device for oxygen cylinders.},
  author = {A W Grogono},
  year = {1965},
  doi = {10.1016/s0140-6736(65)91098-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/4161678/},
  note = {Source identifier: 4161678}
}