@misc{indiciae556a5bc58901,
  title = {The Dräger carbon dioxide analyzer.},
  author = {J F NUNN},
  year = {1958},
  doi = {10.1093/bja/30.6.264},
  url = {https://pubmed.ncbi.nlm.nih.gov/13546511/},
  note = {Source identifier: 13546511}
}