1. Über eine eigenartige Krampfkrankeheit des kinlichen Alters;Oppenheim;Neurol Centrabl,1911
2. Dystonia: an overview;Zeman;Adv Neurol,1976
3. Classification and investigation of dystonia;Fahn,1987
4. Physiologic and pathologic tremors;Jankovic,1980
5. Dystonia musculorum deformans: Analysis with electromyography;Yanagisawa;J. Neurol Sci,1971