@misc{indiciae847b40516faa,
  title = {Nasopharyngeal lith.},
  author = {S C Chen and S P Hao and N M Tsang and K F Lee},
  year = {2001},
  doi = {10.1067/mhn.2001.117868},
  url = {https://pubmed.ncbi.nlm.nih.gov/11700469/},
  note = {Source identifier: 11700469}
}