@misc{indiciae89ee3941daa0,
  title = {Nasal oxygen during endoscopy.},
  author = {J Rosenberg},
  year = {1993},
  doi = {10.1136/gut.34.2.288},
  url = {https://pubmed.ncbi.nlm.nih.gov/8432489/},
  note = {Source identifier: 8432489}
}