4Barson AJ. The vertebral level of termination of the spinal cord during normal and abnormal development. J Anat, 1970, 27(3):489
5Kirollos RW, Van PT, Hille, et al. Evaluation of surgery for the tethered cord syndrome using a new grading system. Br J Neurosurg, 1996,10(3):253
6Tani S, Yamada S,Knighton RS. Extensibility of the lumbar and sacral cord.J Neurosurg,1987,66:116
7Mclendon RE, Oakes WJ, Heinz ER, et al. Adipose tissue in the filum terminale:a computed tomographic finding that may indicate techering of the spinalcord. Neurosurg,1998,22:873
9Rivosecehi M, Lucehetti MC, Zaceara A, et al. Spinal dyaraphism detected by magnetic resonance imaging in patients with anorectal anomaties.incidence and clinical significance J Pediatri Surg, 1995,30:488
10Levitt MA, Patel M,Rodriguez G,et al.The tethered spinal cord in patients with anorectal malformations. Journal of Pediatric Surgery, 1997,32(3):462
6Féron F,Perry C,Cochrane J,et al.Autologous olfactory ensheathing cell transplantation in human spinal cord injury.Brain,2005,128(Pt 12):2951-2960.
7Lima C,Pratas-Vital J,Escada P,et al.Olfactory mucosa autografts in human spinal cord injury:a pilot clinical study.J Spinal Cord Med,2006,29(3):191-203.
8Kawaja MD,Boyd JG,Smithson LJ,et al.Technical strategies to isolate olfactory ensheathing cells for intraspinal implantation.J Neurotrauma,2009,26(2):155-177.
9Radtke C,Sasaki M,Lankford KL,et al.Potential of olfactory ensheathing cells for cell-based therapy in spinal cord injury.J Rehabil Res Dev,2008,45(1):141-152.
10Roy MW, Gilmore R, Walsh JW, et al.Evaluation of children and young adults with tethered spinal cord syndrome. Surg Neurol, 1985, 26:241-248.
