Ball variance and systemic embolization following aortic valve replacement by a Starr-Edwards prosthesis.
D001021:Aortic Valve; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans; D002542:Intracranial Embolism and Thrombosis / Q000209:etiology*; D008297:Male; D008875:Middle Aged