@misc{indiciae78992ed7354a,
  title = {A new humidifier.},
  author = {M Spence and A W Melville},
  year = {1972},
  doi = {10.1097/00000542-197201000-00019},
  url = {https://pubmed.ncbi.nlm.nih.gov/4550104/},
  note = {Source identifier: 4550104}
}