@misc{indiciae802ca969782b,
  title = {LTOT in COPD.},
  author = {C R Swinburn},
  year = {1994},
  doi = {10.1136/thx.49.5.529},
  url = {https://pubmed.ncbi.nlm.nih.gov/8016785/},
  note = {Source identifier: 8016785}
}