@misc{indiciaee6104ec53b5e,
  title = {Thorium X: not yet a closed chapter.},
  author = {D C Widdowson and P G Shakespeare},
  year = {2006},
  doi = {10.1002/lsm.20287},
  url = {https://pubmed.ncbi.nlm.nih.gov/16470846/},
  note = {Source identifier: 16470846}
}