@misc{indiciaecd63138c1e67,
  title = {Coding notes. The ICD-9-CM Coding Addendum effective Oct. 1, 1987 included a new code for respiratory failure 518.81.},
  author = {R Finnegan},
  year = {1987},
  url = {https://pubmed.ncbi.nlm.nih.gov/10312277/},
  note = {Source identifier: 10312277}
}