Should operations be regionalized? The empirical relation between surgical volume and mortality. 1979.
Luft
Harold S
HS
Bunker
John P
JP
Enthoven
Alain C
AC
D013502:General Surgery / Q000266:history*; D049673:History, 20th Century; D017052:Hospital Mortality; D006752:Hospital Planning / Q000266:history*; D006801:Humans; D016526:Workload