@misc{indiciaeda4d4ad6adeb,
  title = {The Palmer notation system and its use with personal computer applications.},
  author = {J W Ferguson},
  year = {2005},
  doi = {10.1038/sj.bdj.4812303},
  url = {https://pubmed.ncbi.nlm.nih.gov/15895048/},
  note = {Source identifier: 15895048}
}