@misc{indiciae5d81a66b3cbc,
  title = {Ventilation equipment.},
  author = {M P Kelly},
  year = {1968},
  doi = {10.1136/bmj.2.5598.176-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/5641995/},
  note = {Source identifier: 5641995}
}