title: [Subarachnoid hemorrhage--classification of its severity and therapeutic plans].
mesh_terms: D000328:Adult; D000368:Aged; D002533:Cerebral Angiography; D006801:Humans; D002532:Intracranial Aneurysm / Q000150:complications / Q000000981:diagnostic imaging / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D012422:Rupture, Spontaneous; D013345:Subarachnoid Hemorrhage / Q000145:classification* / Q000000981:diagnostic imaging / Q000209:etiology