@misc{indiciae9e1d6fe41332,
  title = {Changing diagnosis codes.},
  author = {C R Gaus},
  year = {1979},
  doi = {10.1056/nejm197903293001321},
  url = {https://pubmed.ncbi.nlm.nih.gov/763314/},
  note = {Source identifier: 763314}
}