Invited commentary.
Walther
Thomas
T
Department of Cardiac Surgery, Kerckhoff-Klinik, Benekestr. 2-8, 61231 Bad Nauheim, Germany. t.walther@kerckhoff-klinik.de
Kempfert
Jörg
J
D001021:Aortic Valve / Q000601:surgery*; D001024:Aortic Valve Stenosis / Q000601:surgery*; D019918:Heart Valve Prosthesis Implantation / Q000379:methods*; D006801:Humans