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2. Atherosclerosis and late closure of aortocoronary saphenous vein grafts: sequential angiographic studies at 2 weeks, 1 year, 5 to 7 years, and 10 to 12 years after surgery;Campeau;Circulation,1983
3. Comparison of late changes in internal mammary artery and saphenous vein grafts in two consecutive series of patients 10 years after operation;Grondin;Circulation,1984
4. Bypass surgery with the internal mammary artery graft: 15-year follow-up;Cameron;Circulation,1986
5. Long-term (5–12 years) serial studies of internal mammary artery and saphenous vein coronary artery bypass grafts;Lytle;J Thorac Cardiovasc Surg,1990