@misc{indiciae176b3f53add9,
  title = {Humidifiers in anaesthesia.},
  author = {S Selwyn},
  year = {1972},
  doi = {10.1136/bmj.1.5791.51-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/5008361/},
  note = {Source identifier: 5008361}
}