Progressive Dystonia with Bilateral Putaminal Hypodensities
Arch Neurol 44:1184-1187, Berkovic,S.F.,et al, 1987
Leigh's Syndrome:The Adult Form of Subacute Necrotizing Encephalomyelopathy with Predilection for the Brainstem
Neurol 23:1030, Sipe,J.C., 1973