@misc{indiciae4fd77e143989,
  title = {Helium/oxygen and severe COPD.},
  author = {A H Morice},
  year = {2000},
  doi = {10.1016/s0140-6736(00)03226-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/11117906/},
  note = {Source identifier: 11117906}
}