1. A definition of irreversible coma;Ad Hoc Committee, Harvard Medical School;JAMA,1968
2. Ad Hoc Task Force on Cardiac Replacement,1969
3. Thromboembolic complications of prosthetic cardiac valves;Akbarian;Circulation,1968
4. Multiple valve replacement with fresh aortic graft;Angell;J. Thorac. Cardiov. Surg.,1968
5. Mitral valve replacement with the fresh aortic valve homograft: Experimental results and clinical application;Angell;Surgery,1967