Aortic valve replacements. Technique and results.
D001014:Aortic Aneurysm / Q000601:surgery*; D001022:Aortic Valve Insufficiency / Q000601:surgery*; D006345:Heart Septal Defects, Ventricular / Q000601:surgery*; D006350:Heart Valve Prosthesis; D006439:Hemodynamics; D006801:Humans