@misc{indiciaed58b6f48a51e,
  title = {Radon in normal breath.},
  author = {E J MARTIN and J K W FERGUSON},
  year = {1952},
  doi = {10.1139/cjms52-007},
  url = {https://pubmed.ncbi.nlm.nih.gov/14905332/},
  note = {Source identifier: 14905332}
}