Echocardiographic evaluation of aortic valve replacement.
D000293:Adolescent; D000328:Adult; D001021:Aortic Valve / Q000601:surgery*; D001705:Bioprosthesis; D004452:Echocardiography; D005260:Female; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male