@misc{indiciae2dc0e07f4721,
  title = {Impedance pneumograph.},
  author = {D W Hill and L E Baker},
  year = {1969},
  doi = {10.1093/bja/41.9.794},
  url = {https://pubmed.ncbi.nlm.nih.gov/5353914/},
  note = {Source identifier: 5353914}
}