title: The ultrasound Doppler echocardiograph and personal computer: a clinical tool.
authors.forename: D L
authors.initials: DL
authors.lastname: Ewert
mesh_terms: D003201:Computers; D003936:Diagnosis, Computer-Assisted; D004452:Echocardiography; D006801:Humans; D008838:Microcomputers; D012984:Software