@misc{indiciaeb320b1da536e,
  title = {An OR patient acuity system. Variable billing for surgical services.},
  author = {M M Hart},
  year = {1985},
  doi = {10.1016/s0001-2092(07)62688-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/3845798/},
  note = {Source identifier: 3845798}
}