@misc{indiciae06ae548f3459,
  title = {Monitoring oxygen concentrating devices.},
  author = {E P Steffey and D S Hodgson and C Kupershoek},
  year = {1984},
  url = {https://pubmed.ncbi.nlm.nih.gov/6725095/},
  note = {Source identifier: 6725095}
}