Role of Endothelin-1 in Human Aneurysmal Subarachnoid Hemorrhage: Associations with Vasospasm and Delayed Cerebral Ischemia Cerebrovascualar, Cranial Neurosurgery ← Nasoseptal Flap Closure of Traumatic Cerebrospinal Fluid Leaks Microvascular Decompression for Hemifacial Spasm: Evaluating Outcome Prognosticators Including the Value of Intraoperative Lateral Spread Response Monitoring and Clinical Characteristics in 293 Patients →