Spinal Stroke Syndromes, In Stroke Syndromes, Bougousalsky and Caplan
Chp. 54:691-704, 2nd ed, Sturzenegger, M, 2001
Familial Lumbar Spinal Stenosis with Acute Disc Herniation, Case Reports of Four Brothers
J Neurosurg 51:234-236, Varughese,G.,et al, 1979