@misc{indiciae408b1a7debbb,
  title = {Little danger from radon.},
  author = {K D Cliff and B L Davies and J A Reissland},
  year = {1979},
  doi = {10.1038/279012b0},
  url = {https://pubmed.ncbi.nlm.nih.gov/450072/},
  note = {Source identifier: 450072}
}