TY  - RPRT
TI  - The volume-outcome relationship: practice-makes-perfect or selective-referral patterns?
AU  - H S Luft
AU  - S S Hunt
AU  - S C Maerki
PY  - 1987
UR  - https://pubmed.ncbi.nlm.nih.gov/3112042/
ID  - 3112042
ER  -