title: Malfunction of Beall valve heralded by diastolic murmur. Phonocardiographic findings.
mesh_terms: D000818:Animals; D006328:Cardiac Catheterization; D006326:Heart Auscultation; D006333:Heart Failure / Q000175:diagnosis; D006337:Heart Murmurs; D006350:Heart Valve Prosthesis / Q000009:adverse effects* / Q000295:instrumentation; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery*; D010701:Phonocardiography; D011183:Postoperative Complications / Q000601:surgery; D013552:Swine