title: Phonocardiographic characteristics of the St. Jude prosthesis in the aortic position.
mesh_terms: D001021:Aortic Valve / Q000601:surgery*; D004452:Echocardiography; D004562:Electrocardiography; D006350:Heart Valve Prosthesis; D006801:Humans; D010701:Phonocardiography