Role of Intraventricular Sodium Nitroprusside in Vasospasm Secondary to Aneurysmal Subarachnoid Haemorrhage: A 5-year Prospective Study with Review of the Literature - Agrawal, A.; Patir, R.; Kato, Y.; Chopra, S.; Sano, H.; Kanno, T. (min - Minimally Invasive Neurosurgery, 2009)