title: Spectroanalytic evaluation of aortic prosthetic valves.
mesh_terms: D000787:Angina Pectoris / Q000209:etiology; D001021:Aortic Valve / Q000503:physiopathology*; D001027:Aortography; D006328:Cardiac Catheterization; D005069:Evaluation Studies as Topic; D006326:Heart Auscultation; D006333:Heart Failure / Q000209:etiology; D006350:Heart Valve Prosthesis