title: Direct operation for intracranial aneurysm: some technical problems and attempts at their solution.
mesh_terms: D000368:Aged; D002533:Cerebral Angiography; D002543:Cerebral Hemorrhage / Q000209:etiology; D006801:Humans; D002532:Intracranial Aneurysm / Q000150:complications / Q000000981:diagnostic imaging / Q000601:surgery*; D008026:Ligation; D008722:Methods; D008875:Middle Aged