Intraventricular haemorrhage.
D002543:Cerebral Hemorrhage / Q000145:classification / Q000175:diagnosis*; D002552:Cerebral Ventricles; D006801:Humans; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000145:classification / Q000175:diagnosis*; D014463:Ultrasonography