1. Fahn S. Paroxysmal dyskinesia. In: Marsden CD, Fahn S, editors. Movement disorders 3. Oxford: Butterworth-Heinemann; 1994. p. 310–45.
2. Gowers WR. Epilepsy and other chronic convulsive diseases. Their causes, symptoms and treatment. New York: Dover (Reprint of 1885 edition); 1964 (1885). p. 75–6.
3. Sterling W. Le type spasmodique tetanoide et tetaniforme de l’encephalite epidemique remarques sur l’epilepsie “extra-pyramidale”. Rev Neurol (Paris). 1924;2:484–92.
4. Lance JW. Sporadic and familial varieties of tonic seizures. J Neurol Neurosurg Psychiatry. 1963;26:51–9.
5. Stertz. Der Extrapyramidale Symptomenkomplex. 1924. (As reported by Wilson, 1930).