TY  - RPRT
TI  - Tracing the missing link between nursing workload and case mix groups: a validation study.
AU  - S Halpine
AU  - S Maloney
PY  - 1993
DO  - 10.1016/s0840-4704(10)61102-7
UR  - https://pubmed.ncbi.nlm.nih.gov/10129770/
ID  - 10129770
ER  -