@misc{indiciaee03144016342,
  title = {Tracing the missing link between nursing workload and case mix groups: a validation study.},
  author = {S Halpine and S Maloney},
  year = {1993},
  doi = {10.1016/s0840-4704(10)61102-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/10129770/},
  note = {Source identifier: 10129770}
}