Hatle, Liv Doppler ultrasound in cardiology : physical principles and clinical applications / Liv Hatle, Bjorn Angelsen - 2nd rev. ed. - Philadelphia : Lea & Febiger, 1985 - 331 p. : ill. ; 26 cm. ISBN: 0812109368 LCCN: 84-9750 Subjects--Topical Terms: Ultrasonic cardiographyDoppler EffectHeart diseases--DiagnosisEchocardiography National Library of Medicine Call No.: WG141.5.E2 / H361d