1. Spontaneous spinal subdural haematoma: case report and review of literature;Calhoun;Neurosurgery,1991
2. Spinal cord compression immediately following, but unrelated to, epidural analgesia;Mills;Anaesthesia,1994
3. Chronic subdural haematoma of the spinal cord: Report of a case;Rader;New England Journal of Medicine,1955
4. Spinal subarachnoid hematoma after lumbar puncture and heparinization: a case report, review of the literature and discussion of anesthetic implications;Owen;Anesthesia and Analgesia,1986