@misc{indiciae582a55fa6d9d,
  title = {ICD coding; what's in a number?},
  author = {R Williams and H King},
  year = {1989},
  doi = {10.1111/j.1464-5491.1989.tb01190.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2527672/},
  note = {Source identifier: 2527672}
}