@misc{indiciae9482a405ffb5,
  title = {Natural thorium in human bone.},
  author = {H F Lucas and D N Edgington and F Markun},
  year = {1970},
  doi = {10.1097/00004032-197012000-00003},
  url = {https://pubmed.ncbi.nlm.nih.gov/5513690/},
  note = {Source identifier: 5513690}
}