title: Use of backscattered Doppler signal intensity in estimation of volume flow ratios.
authors.forename: T A
authors.initials: TA
authors.lastname: Tacy
authors.forename: E G
authors.initials: EG
authors.lastname: Cape
mesh_terms: D015150:Echocardiography, Doppler / Q000379:methods*; D006801:Humans; D007091:Image Processing, Computer-Assisted; D008944:Mitral Valve Insufficiency / Q000000981:diagnostic imaging*