1. Roe, B. B., and Moore, D.: Design and Fabrication of a Prosthetic Aortic Valve, Exper. Med. & Surg. (In press.)
2. Maine, D. C.: Ellay Rubber Company, Los Angeles, Calif., personal communication.
3. The Production of Tumors in Rats by the Implantation of Pure Polyethylene;Bering;Cancer Res.,1955
4. The Production of Tumors in Hamsters by Implantation of Polyethylene Film;Bering;Cancer,1957
5. A Technic for Insertion of a Flexible Aortic Valve Prosthesis Into the Ascending Aorta;Roe;Ann. Surg.,1957