@misc{indiciaed05353ee62fe,
  title = {Oxygen therapy after thoracotomy.},
  author = {G B Drummond and A C Milne},
  year = {1977},
  doi = {10.1093/bja/49.11.1093},
  url = {https://pubmed.ncbi.nlm.nih.gov/588389/},
  note = {Source identifier: 588389}
}