title: Improved methods for intracoronary Doppler flow velocity.
authors.forename: M J
authors.initials: MJ
authors.lastname: Kern
mesh_terms: D001783:Blood Flow Velocity / Q000502:physiology; D003331:Coronary Vessels / Q000000981:diagnostic imaging* / Q000503:physiopathology; D015150:Echocardiography, Doppler / Q000191:economics / Q000295:instrumentation / Q000379:methods*; D006801:Humans