Duration of function of the porcine aortic bioprosthesis in the aortic position.
D000818:Animals; D001021:Aortic Valve / Q000601:surgery* / Q000637:transplantation; D001705:Bioprosthesis / Q000009:adverse effects*; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D013552:Swine; D013997:Time Factors; D014183:Transplantation, Heterologous / Q000009:adverse effects