@misc{indiciae9998615ecc2a,
  title = {A new transport ventilator: an evaluation.},
  author = {J B Downs and A W Marston},
  doi = {10.1097/00003246-197703000-00009},
  url = {https://pubmed.ncbi.nlm.nih.gov/265203/},
  note = {Source identifier: 265203}
}