title: The missing piece of the puzzle?
authors.affiliation: Division of Cardiovascular Surgery, Hospital for Sick Children and University of Toronto, Toronto, Ontario, Canada.
authors.forename: Christoph
authors.initials: C
authors.lastname: Haller
authors.affiliation: Division of Cardiovascular Surgery, Hospital for Sick Children and University of Toronto, Toronto, Ontario, Canada. Electronic address: john.coles@sickkids.ca.
authors.forename: John G
authors.initials: JG
authors.lastname: Coles
mesh_terms: D001705:Bioprosthesis; D005260:Female; D006350:Heart Valve Prosthesis; D019918:Heart Valve Prosthesis Implantation / Q000295:instrumentation*; D006801:Humans; D008297:Male; D008943:Mitral Valve / Q000601:surgery*; D008946:Mitral Valve Stenosis / Q000601:surgery*; D010496:Pericardium / Q000637:transplantation*; D015607:Stents