Vascular Neoplasms and Malformations, Ischemia, and Hemorrhage Affecting the Spinal Cord:MR Imaging Findings
AJR 162:685-692, Friedman,D.P.,et al, 1994
Mollaret's Meningitis & Differential Diagnosis of Recurrent Meningitis
Am J Med 52:128, Hermans,P.,et al, 1972