@misc{indiciae0f7eb0003618,
  title = {Bellows failure with Drager Anesthesia Ventilator.},
  author = {R Johnstone and D Graf},
  year = {1993},
  doi = {10.1213/00000539-199303000-00080},
  url = {https://pubmed.ncbi.nlm.nih.gov/8452310/},
  note = {Source identifier: 8452310}
}