TY  - RPRT
TI  - Managed care. Origins, principles, and evolution.
AU  - G Fairfield
AU  - D J Hunter
AU  - D Mechanic
AU  - F Rosleff
PY  - 1997
DO  - 10.1136/bmj.314.7097.1823
UR  - https://pubmed.ncbi.nlm.nih.gov/9224090/
ID  - 9224090
ER  -