title: The search for intelligent quantitation in echocardiography: "eyeball," "trackball" and beyond.
authors.forename: E
authors.initials: E
authors.lastname: Foster
authors.forename: M K
authors.initials: MK
authors.lastname: Cahalan
mesh_terms: D004452:Echocardiography / Q000295:instrumentation* / Q000379:methods; D015150:Echocardiography, Doppler / Q000639:trends; D004699:Endocardium / Q000000981:diagnostic imaging; D006801:Humans