@misc{indiciaee112df92afac,
  title = {A double chamber system for producing constant radon concentration.},
  author = {B Haider and J Peter},
  year = {1995},
  doi = {10.1097/00004032-199501000-00004},
  url = {https://pubmed.ncbi.nlm.nih.gov/7989192/},
  note = {Source identifier: 7989192}
}