title: DIAGNOSTIC VALUE OF ULTRASONIC CARDIOGRAPHY.
mesh_terms: D003933:Diagnosis; D004452:Echocardiography; D006334:Heart Function Tests; D006801:Humans; D008944:Mitral Valve Insufficiency; D008946:Mitral Valve Stenosis; D014465:Ultrasonics
keywords: DIAGNOSIS; HEART FUNCTION TESTS; MITRAL VALVE INSUFFICIENCY; MITRAL VALVE STENOSIS; ULTRASONICS