Islam, M. S., A. Alam, M. A. H. Masud, M. A. K. Azad, and M. A. Rahim. “Spastic Quadreparesis - An Unusual Presentation of Sub-Acute Combined Degenaration of Spinal Cord”. Journal of Medicine, vol. 14, no. 1, Apr. 2013, pp. 85-87, doi:10.3329/jom.v14i1.14585.