1. Mayberg MR (1998) Cerebral vasospasm. Neurosurg Clin North Am 9: 615–627.
2. Dietrich HH, Dacey RG (2000) Molecular keys to the prob¬lems of cerebral vasospasm. Neurosurgery 46: 517–530.
3. Pasqualin A (1998) Epidemiology and pathophysiology of 17. cerebral vasospasm following subarachnoid hemorrhage. J Neurosurg Sci 42: 15–21.
4. Findlay JM, Macdonald RL, Weir BK (1991) Current con¬cepts of pathophysiology and management of cerebral vasospasm following aneurysmal subarachnoid hemorrhage. Cerebrovasc Brain Metabol Rev 3: 336–361.
5. Takenaka K, yamada H, sakai N, ando T, nakashima T Nishimura Y (1991) Induction of cytosolic free calcium elevation in rat vascular smooth-muscle cells by cerebrospinal fluid from patients after subarachnoid hemorrhage. J Neurosurg 75: 452–457.