TY  - RPRT
TI  - Assessing risk-adjustment approaches under non-random selection.
AU  - Harold S Luft
AU  - R Adams Dudley
PY  - 2004
DO  - 10.5034/inquiryjrnl_41.2.203
UR  - https://pubmed.ncbi.nlm.nih.gov/15449434/
ID  - 15449434
ER  -