@misc{indiciae77753b5b4ead,
  title = {Apnea monitors.},
  author = {J J Nobel},
  year = {1991},
  doi = {10.1097/00006565-199110000-00013},
  url = {https://pubmed.ncbi.nlm.nih.gov/1754494/},
  note = {Source identifier: 1754494}
}