TY  - RPRT
TI  - Refining case-mix adjustment. The research evidence.
AU  - S F Jencks
AU  - A Dobson
PY  - 1987
DO  - 10.1056/nejm198709103171106
UR  - https://pubmed.ncbi.nlm.nih.gov/3114635/
ID  - 3114635
ER  -