title: Optimal system design for an implantable CW Doppler ultrasonic flowmeter.
mesh_terms: D000818:Animals; D001011:Aorta; D001783:Blood Flow Velocity; D002318:Cardiovascular Diseases / Q000175:diagnosis; D004285:Dogs; D004301:Doppler Effect; D008954:Models, Biological; D011845:Radio; D012212:Rheology / Q000295:instrumentation*; D013686:Telemetry; D014463:Ultrasonography