@misc{indiciaed711efbfb72f,
  title = {Spatial and temporal indoor radon variations.},
  author = {D J Steck},
  year = {1992},
  doi = {10.1097/00004032-199204000-00009},
  url = {https://pubmed.ncbi.nlm.nih.gov/1597387/},
  note = {Source identifier: 1597387}
}