title: Doppler echocardiographic evaluation of stenotic bioprosthetic aortic valves.
authors.forename: C M
authors.initials: CM
authors.lastname: Otto
authors.forename: A S
authors.initials: AS
authors.lastname: Pearlman
mesh_terms: D001021:Aortic Valve; D001705:Bioprosthesis; D004452:Echocardiography; D015150:Echocardiography, Doppler; D006350:Heart Valve Prosthesis; D006801:Humans; D011475:Prosthesis Failure