@misc{indiciaed3709b238463,
  title = {Quantifying an ambulatory care patient classification instrument.},
  author = {J M Johnson},
  year = {1989},
  doi = {10.1097/00005110-198919110-00010},
  url = {https://pubmed.ncbi.nlm.nih.gov/2809764/},
  note = {Source identifier: 2809764}
}