The use of ultrasound in the investigation of prostatism.
D006801:Humans; D007668:Kidney / Q000000981:diagnostic imaging; D008297:Male; D011470:Prostatic Hyperplasia / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery; D011859:Radiography; D014463:Ultrasonography; D014513:Ureter / Q000000981:diagnostic imaging; D001743:Urinary Bladder / Q000000981:diagnostic imaging