title: Medical Grand Rounds: Valve replacement in aortic valve disease.
mesh_terms: D001022:Aortic Valve Insufficiency / Q000503:physiopathology / Q000601:surgery*; D001024:Aortic Valve Stenosis / Q000503:physiopathology / Q000601:surgery*; D006350:Heart Valve Prosthesis; D006801:Humans