New England Journal of Medicine · 1991 · 26 citations · 0 references
MedicineBiomedical EngineeringUltrasonographyUltrasoundDiagnostic UltrasonographyDoppler UltrasonographyDoppler UltrasoundUltrasonicsUltrasound InstrumentationVascular UltrasoundBlood Flow Doppler AssessmentDoppler Ultrasound InstrumentationEchocardiographic Doppler AssessmentUltrasonic Doppler Effect