Parkinsonism Following Dystonia in Three Patients
Movement Disorders 1:151-157, Katchen,M.&Duvoisin,R.C., 1986
Dystonia-Parkinson Syndrome:Differential Effects of Levodopa and Dopamine Agonists
Clin Neuropharmacol 9:298-302, Klawans,H.L.&Paleologos,N., 1986