1. Homograft Replacement of Mitral Valve;Heimbecker;Can. Med. Assoc. J.,1962
2. The Preparation of Aortic Valve Homograft;Longmore;Lancet,1966
3. Homograft Aortic Valve Replacement;Ross,1972
4. Prosthetic Replacement of Mitral Valves;Morrow;Circulation,1964
5. Anatomic Studies of Hearts Containing Caged-Ball Prosthetic Valves;Roberts;Johns Hopkins Med. J.,1967