@misc{indiciaec96d95b4187e,
  title = {Pulse oximetry.},
  author = {J W Severinghaus and Y Honda},
  year = {1987},
  doi = {10.1097/00004311-198702540-00009},
  url = {https://pubmed.ncbi.nlm.nih.gov/3323069/},
  note = {Source identifier: 3323069}
}