TY  - RPRT
TI  - Competition and quality.
AU  - R H Brook
AU  - J B Kosecoff
PY  - 1988
DO  - 10.1377/hlthaff.7.3.150
UR  - https://pubmed.ncbi.nlm.nih.gov/3215615/
ID  - 3215615
ER  -