@misc{indiciaef7fb22de84c4,
  title = {Keeping cold-water humidifiers clean.},
  author = {G Schreiber},
  year = {1971},
  doi = {10.1056/nejm197102112840630},
  url = {https://pubmed.ncbi.nlm.nih.gov/5539473/},
  note = {Source identifier: 5539473}
}