title: Use of ultrasound in neurosurgical operations: a preliminary report.
mesh_terms: D000328:Adult; D001932:Brain Neoplasms / Q000000981:diagnostic imaging / Q000601:surgery*; D002648:Child; D006801:Humans; D008297:Male; D009493:Neurosurgery / Q000295:instrumentation*; D014057:Tomography, X-Ray Computed; D014465:Ultrasonics / Q000295:instrumentation*