Acute Radicular Pain as a Presenting Symptom in Multiple Sclerosis
Arch Neurol 49:255-258, Ramirez-Lassepas,M.,et al, 1992
Pain Due to Lesions of Central Nervous System Removed by Sympathetic Block
BMJ 282:1026-1028, Loh,L.,et al, 1981
M. S. :A Review
BMJ 2:292, McAlpine,D., 1973