The present status of artificial heart valves.
D001021:Aortic Valve / Q000601:surgery*; D005500:Follow-Up Studies; D006350:Heart Valve Prosthesis / Q000592:standards*; D006801:Humans; D008943:Mitral Valve / Q000601:surgery*; D013242:Sterilization; D014021:Tissue Preservation; D014183:Transplantation, Heterologous; D014184:Transplantation, Homologous