1Lever EG,Elw es RDC,W illiam s A,et al. subacute combined degeneration of the cord due to folate deficiency: response to methyl folate treatment. J Neurol Neurosurg Psychiatry, 1986,49 : 1203- 1207.
2Surtefs R. Biochemical Pathogenesis of subacute combined degeneration of the spinal cord and brain. J Inher Metab Kis, 1993,16:762-770.
3Healton EB, Savage DG,Brust JCM,et al. Neurologic aspects of cobalam in deficiency. Medicine, 1991,70 : 229 -45.
4dams J H, Corsellis Jan, Duchen. LW. Greenfield's Neuropathology. 4^the. London : Edw ard Arnold Ltd, 1984,588 - 590.
5Wolansky Lj,Goldstein G,Gozo A,et al. Subacute combined degeneration of the spinal cord: MRI detection of preferential involvement of the posterior columns in a child. Pediatr Radiol, 1995,25:140.
6Murata S,Naritom iH,Sawada T. MRI in subacute combined degeneration. Neuroradiology, 1994,36:408.
