Clinical Course in Aortic StenosisWAGNER, HENRY R. M.D.ELLISON, R. CURTIS M.D.KEANE, JOHN F. M.D.HUMPHRIES, J. O'NEAL M.D.NADAS, ALEXANDER S. M.D.Circulation 56:p I47-I56, August 1977.Copyright © 1977 American Heart Association, Inc.
