@misc{indiciae362da1e8a2cb,
  title = {Polysomnography: some difficult questions.},
  author = {A J Block},
  year = {1981},
  doi = {10.7326/0003-4819-95-5-644},
  url = {https://pubmed.ncbi.nlm.nih.gov/7294554/},
  note = {Source identifier: 7294554}
}