| http://www.w3.org/ns/prov#value | - Bioprosthetic valves include allograft valves, which include tissue supplied from human cadavers; autologous valves, which include tissue of the individual receiving the valve; and xenograft valves, which include tissue obtained from non-human biological sources such as pigs, cows, or other animals. [0004] Presently, mechanical valves have the longest durability of available replacement heart valv
|