Smith, M D Temporal variability of color Doppler jet areas in patients with mitral and aortic regurgitation. [electronic resource] - American heart journal Apr 1992 - 953-60 p. digital Publication Type: Journal Article ISSN: 0002-8703 Standard No.: 10.1016/0002-8703(92)90702-w doi Subjects--Topical Terms: Aortic Valve--diagnostic imagingAortic Valve Insufficiency--diagnostic imagingEchocardiography, Doppler--instrumentationFemaleHumansMaleMiddle AgedMitral Valve--diagnostic imagingMitral Valve Insufficiency--diagnostic imagingRetrospective StudiesTime Factors