Spontaneous Isolated Convexity Subarachnoid Hemorrhage: Presentation, Radiological Findings, Differential Diagnosis, and Clinical Course
J Neurosurg 109:1034-1041, Refai, D.,et al, 2008
Adverse Cardiovascular and Central Nervous System Events Associated with Dietary Supplements Containing Ephedra Alkaloids
NEJM 343:1833-1838,1886, Haller,C.A. & Benowitz,N.L., 2000