Dopa-Responsive Dystonia:Long-Term Treatment Response and PrognosisNeurol 41:174-181, Nygaard,T.G.,et al, 1991
Dystonia and Tremor Induced by Peripheral Trauma:Predisposing FactorsJNNP 51:1512-1519, Jankovic,J.&VanDer Linden,C., 1988