Hypoplasia of the aortic root. The problem of aortic valve replacement.
D000328:Adult; D001024:Aortic Valve Stenosis / Q000601:surgery*; D002932:Cineangiography; D005260:Female; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male; D008722:Methods; D011379:Prognosis