Cardiac valvular replacement: role of the aortic homograft.
D000818:Animals; D001021:Aortic Valve / Q000637:transplantation*; D006349:Heart Valve Diseases / Q000601:surgery*; D006350:Heart Valve Prosthesis; D006801:Humans; D013552:Swine; D014021:Tissue Preservation; D014183:Transplantation, Heterologous; D014184:Transplantation, Homologous