1. Greenberg, B. H., Frahm, C. J., Padilla, D., Giragos, H. G., Hadidian, H. A., and Dumanian, A. V. Arteriographic Findings in Patients with Aorto-Coronary Saphenous Vein Bypass Grafts and Associated Manual Core Endarterectomy. Abstract presented at American Heart Association Meeting, Los Angeles, California, November, 1971.