A perspective: sound--an Aladdin's cave?
D015906:Angioplasty, Balloon, Coronary / Q000295:instrumentation*; D000818:Animals; D003324:Coronary Artery Disease / Q000000981:diagnostic imaging / Q000628:therapy*; D004867:Equipment Design; D006801:Humans; D014464:Ultrasonic Therapy / Q000295:instrumentation*; D018084:Ultrasonography, Interventional / Q000295:instrumentation*