Subarachnoid haemorrhage of undetermined aetiology.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000792:Angiography; D001794:Blood Pressure; D002648:Child; D002675:Child, Preschool; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D009026:Mortality; D013345:Subarachnoid Hemorrhage