title: Ultrasound periventricular echo densities in neonatal brains.
mesh_terms: D001921:Brain / Q000473:pathology; D002543:Cerebral Hemorrhage / Q000175:diagnosis* / Q000473:pathology; D002552:Cerebral Ventricles; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000175:diagnosis*; D014463:Ultrasonography