@misc{indiciaef6818c06a75c,
  title = {AN IMPROVED VENTILATOR.},
  author = {D W ATHERLEY and R A BEAVER},
  year = {1963},
  doi = {10.1016/s0140-6736(63)90901-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/14066850/},
  note = {Source identifier: 14066850}
}