1. Abdominal pain of spinal origin;Ashby;Ann. R. Coll. Surg. Engl.,1977
2. Spinal epidural abscess;Baker;N. Engl. J. Med.,1975
3. Spinal epidural empyema with Brown–Sequard syndrome;Davidson;Surg. Neurol.,1978
4. A study of 49 patients with acute spinal extradural abscess;Hancock;Paraplegia,1973