@misc{indiciae34cae4a69cc4,
  title = {Cyclator ventilator.},
  author = {M L Heath},
  year = {1969},
  doi = {10.1136/bmj.2.5654.450-d},
  url = {https://pubmed.ncbi.nlm.nih.gov/5252784/},
  note = {Source identifier: 5252784}
}