RT Journal Article SR Electronic T1 A classic description of subacute combined degeneration of the spinal cord JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 120 OP 120 DO 10.1136/jnnp.53.2.120 VO 53 IS 2 A1 JMS Pearce YR 1990 UL http://jnnp.bmj.com/content/53/2/120.abstract AB