@misc{indiciae1b6dc44cbca1,
  title = {CPAP machine performance and altitude.},
  author = {R E Fromm and J Varon and A E Lechin and M Hirshkowitz},
  year = {1995},
  doi = {10.1378/chest.108.6.1577},
  url = {https://pubmed.ncbi.nlm.nih.gov/7497764/},
  note = {Source identifier: 7497764}
}