title: "Twin" intracranial aneurysms causing subarachnoid haemorrhage in identical twins.
mesh_terms: D000328:Adult; D002533:Cerebral Angiography; D002941:Circle of Willis; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D002532:Intracranial Aneurysm / Q000150:complications / Q000000981:diagnostic imaging / Q000235:genetics*; D008875:Middle Aged; D013345:Subarachnoid Hemorrhage / Q000209:etiology / Q000235:genetics*