Cardiovascular Division Department of Medicine;
Beth Israel Deaconess Medical Center and Harvard Medical School;
Boston;
MA;
USA;
TIMI Study Group Cardiovascular Division;
Department of Medicine;
Brighton and Women's Hospital;
Boston;
MA;
USA;
TIMI Study Group Cardiovascular Division;
Department of Medicine;
Brigham and Women's Hospital;
Boston;
MA;
USA;
TIMI; flow; grade; TIMI; frame; count; percutaneous; coronary; intervention; age; elderly;