Outcome versus volume in coronary-bypass operations.
Parsonnet
V
V
Bernstein
A D
AD
D002983:Clinical Competence; D001026:Coronary Artery Bypass / Q000401:mortality / Q000706:statistics & numerical data*; D013502:General Surgery / Q000193:education; D006801:Humans; D009515:New Jersey / Q000453:epidemiology; D010414:Pennsylvania / Q000453:epidemiology; D018570:Risk Assessment; D016896:Treatment Outcome