@misc{indiciaef271d2bf4865,
  title = {Pulse oximetry--physiological considerations.},
  author = {M A Hanson and J G Nijhuis},
  year = {1997},
  doi = {10.1016/s0301-2115(97)02712-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/9134407/},
  note = {Source identifier: 9134407}
}