Accepted for publication Oct 15, 1971.
Edited by Richard Warren, MD.
Members of the panel: Michael E. DeBakey, MD, Chairman, Department of Surgery, Baylor College of Medicine, Waco, Tex; Director, Cardiovascular Research and Training Center, Methodist Hospital, Houston; Brooke Roberts, MD, Professor of Surgery, University of Pennsylvania, and Chief of the Peripheral Vascular Section, Hospital of the University of Pennsylvania, Philadelphia; Edwin J. Wylie, MD, Professor of Surgery, University of California, San Francisco, and Chief of Vascular Surgery, Moffitt-University of California Hospital, San Francisco.