RT Journal Article SR Electronic T1 Progression of coronary disease 5 to 7 years after aortocoronary bypass surgery JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 175 OP 176 VO 45 IS 1 A1 Bourassa, Martial G. A1 Lesperance, J. Jacques A1 Corbara, F. A1 Saltiel, J. A1 Campeau, Lucien YR 1978 UL http://www.ccjm.org/content/45/1/175.abstract AB