Risk of recurrent subarachnoid haemorrhage, death, or dependence and standardised mortality ratios after clipping or coiling of an intracranial aneurysm in the International Subarachnoid Aneurysm Trial (ISAT): long-term follow-up. - Molyneux,A.J.; Kerr,R.S.; Birks,J.; Ramzi,N.; Yarnold,J.; Sneade,M. (Lancet Neurol, 2009)