title: The protective value of spasm after subarachnoid haemorrhage.
mesh_terms: D002533:Cerebral Angiography; D002539:Cerebral Arterial Diseases / Q000150:complications* / Q000000981:diagnostic imaging; D005500:Follow-Up Studies; D006801:Humans; D002532:Intracranial Aneurysm / Q000150:complications; D012008:Recurrence; D013035:Spasm / Q000150:complications / Q000000981:diagnostic imaging; D013345:Subarachnoid Hemorrhage / Q000150:complications*