title: Unusual cause of sub-arachnoid haemorrhage; bilateral internal carotid occlusion.
mesh_terms: D000328:Adult; D002340:Carotid Artery Diseases / Q000150:complications; D002343:Carotid Artery, Internal; D003097:Collateral Circulation; D005260:Female; D006801:Humans; D013345:Subarachnoid Hemorrhage / Q000209:etiology*