RT Journal Article SR Electronic T1 Controversies in Coronary Artery Disease ed. by Shahbudin H. Rahimtoola, M.D. JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 477 OP 477 VO 50 IS 4 A1 Underwood, Donald YR 1983 UL http://www.ccjm.org/content/50/4/477.2.abstract AB