@misc{indiciae886708461d01,
  title = {Domiciliary oxygen.},
  author = {P Howard and H C Middleton},
  year = {1978},
  doi = {10.1136/bmj.2.6134.432-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/687959/},
  note = {Source identifier: 687959}
}