E-F Slope without “a” WaveD'Cruz, Ivan A. M.D.Cohen, Howard C. M.D.Prabhu, Ravindra M.D.Glick, Gerald M.D.Author informationMichael Reese Medical Center, Chicago, Illinois 60616Circulation 53(4):p 745, April 1976.Copyright © 1976 American Heart Association, Inc.