@misc{indiciae91590e3e110c,
  title = {Measuring case mix.},
  author = {H Sanderson},
  year = {1992},
  doi = {10.1136/bmj.304.6834.1067},
  url = {https://pubmed.ncbi.nlm.nih.gov/1586815/},
  note = {Source identifier: 1586815}
}