@misc{indiciae3e804784907c,
  title = {A simple technique for measuring changes in ventilatory response to carbon dioxide.},
  author = {T J Clark and B G Clarke and J M Hughes},
  year = {1966},
  doi = {10.1016/s0140-6736(66)92662-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/4161721/},
  note = {Source identifier: 4161721}
}