title: The Williams-Barefoot extractable blood flow probe. Design, transducer characteristics, and clinical application in cardiac surgery.
mesh_terms: D001783:Blood Flow Velocity / Q000295:instrumentation*; D002302:Cardiac Output; D006348:Cardiac Surgical Procedures / Q000295:instrumentation*; D002986:Clinical Trials as Topic; D006801:Humans; D008280:Magnetics / Q000295:instrumentation; D014159:Transducers