[Is valved conduit necessary for Fontan's operation?].
D001705:Bioprosthesis; D001807:Blood Vessel Prosthesis; D006350:Heart Valve Prosthesis; D006801:Humans; D008722:Methods; D014184:Transplantation, Homologous; D014261:Tricuspid Valve / Q000002:abnormalities / Q000601:surgery*