1. Spontaneous cervical epidural hematoma;Beatty,1984
2. Chronic spontaneous spinal epidural hematoma;Boyd,1972
3. Spinal extradural haematoma;Bruyn,1976
4. Neurological manifestations of Paget's disease;Clarke;J Neurol Sci,1978
5. Spinal epidural hematoma;Costabile;Surg Neurol,1984