Progressive Necrotic MyelopathyArchNeurol 57:355-361, Katz,J.D. & Ropper,A.H., 2000
Spinal Dural Arteriovenous Fistula:The Pathology of Venous Hypertensive MyelopathyNeurol 45:1309-1313, Hurst,R.W.,et al, 1995