title: Diagnosis of urethral flow parameters by ultrasonic backscatter.
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D008954:Models, Biological; D012212:Rheology; D014159:Transducers; D014465:Ultrasonics / Q000295:instrumentation; D014463:Ultrasonography; D014522:Urethral Diseases / Q000175:diagnosis*; D014556:Urine