International subarachnoid aneurysm trial (ISAT) of neurosurgical clipping versus endovascular coiling in 2143 patients with ruptured intracranial aneurysms: a randomised comparison of effects on survival, dependency, seizures, rebleeding, subgroups, and aneurysm occlusion.
Lancet. 2005 Sep 3-9;366(9488):809-17. doi: 10.1016/S0140-6736(05)67214-5.
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PMID: 16139655
Clinical Trial.