title: Transcatheter valve in valve implants for failed prosthetic valves.
authors.forename: John G
authors.initials: JG
authors.lastname: Webb
mesh_terms: D000818:Animals; D001705:Bioprosthesis; D006328:Cardiac Catheterization; D006350:Heart Valve Prosthesis; D019918:Heart Valve Prosthesis Implantation / Q000379:methods*; D006801:Humans; D011475:Prosthesis Failure; D012086:Reoperation