Is it just the money?
Kern
Morton J
MJ
D001783:Blood Flow Velocity / Q000502:physiology; D023921:Coronary Stenosis / Q000000981:diagnostic imaging / Q000191:economics* / Q000503:physiopathology; D017281:Cost of Illness; D025401:Echocardiography, Stress / Q000191:economics; D006801:Humans