The Relation of Risk Factors to the Development of Atherosclerosis in Saphenous-Vein Bypass Grafts and the Progression of Disease in the Native Circulation; a Study 10 Years after Aortocoronary Bypass Surgery - Campeau, L; Enjalbert, M; Lesperance, J; Bourassa, M; Kwiterovitch, P; Walcholder, S; Sniderman, A (N Engl J Med, 1984)