1. From the TIMI Study Group, Cardiovascular Division, Brigham and Women’s Hospital (M.S.S., D.A.M., R.P.G., S.A.M., C.H.M., E.M.A., C.P.C., E.B.), Boston, Mass; Merck & Co, West Point, Pa (L.A.D., P.M.D.); and Emory University, Atlanta, Ga (W.S.W.).