Midbrain Myasthenia:Fatigable Ptosis, 'Lid Twitch'Sign, and Ophthalmoparesis From a Dorsal Midbrain Glioma
Neurol 42 917-919, Ragge,N.K.&Hoyt,W.F., 1992
Encephalitis lethargica syndrome:20 new cases and evidence of basal ganglia autoimmunity
Brain 127, 21-33, Dale, R.C., et al, 2003