@misc{indiciae98539d04d215,
  title = {Monitoring and supplemental oxygen during endoscopy.},
  author = {J E Charlton},
  year = {1995},
  doi = {10.1136/bmj.310.6984.886},
  url = {https://pubmed.ncbi.nlm.nih.gov/7719168/},
  note = {Source identifier: 7719168}
}