title: The need for repeat angiography in subarachnoid haemorrhage.
authors.forename: J
authors.initials: J
authors.lastname: Stevens
mesh_terms: D002533:Cerebral Angiography / Q000009:adverse effects; D006801:Humans; D012307:Risk Factors; D013345:Subarachnoid Hemorrhage / Q000000981:diagnostic imaging*