@misc{indiciae726128d8f3c0,
  title = {Variability in nursing workload within CMGs (case mix groups).},
  author = {L O'Brien-Pallas and D Tritchler and J Till},
  year = {1989},
  doi = {10.1016/s0840-4704(10)61225-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/10313251/},
  note = {Source identifier: 10313251}
}