17. Tseng MY, Czosnyka M, Richards H, Pickard JD, Kirkpatrick PJ. Effects of acute treatment with pravastatin on cerebral vasospasm, autoregulation, and delayed ischemic deficits after aneurysmal subarachnoid haemorrhage: a phase II randomized placebo-controlled trial. Stroke. 2005; 36:1627-1632.