J Neurol Neurosurg Psychiatry. 1990 Jul;53(7):541. doi: 10.1136/jnnp.53.7.541.
Journal of neurology, neurosurgery, and psychiatry
P N Plowman
PMID: 2118170 PMCID: PMC488125 DOI: 10.1136/jnnp.53.7.541 Free PMC Article
[No abstract available.]