@misc{indiciae28165854aaf1,
  title = {Preoxygenation in children using expired oxygraphy.},
  author = {P J Butler and H M Munro and M B Kenny},
  year = {1996},
  doi = {10.1093/bja/77.3.333},
  url = {https://pubmed.ncbi.nlm.nih.gov/8949804/},
  note = {Source identifier: 8949804}
}