1. Willige H. Uber Paralysis agitans im jungendlichen Alter. Z Gesamte Neurol Psychiatr 1911;4:520-587.
2. Yamamura Y, Sobue I, Ando K, Iida M, Yanagi T, Kono C. Paralysis agitans of early onset with marked diurnal fluctuation of symptoms. Neurology 1973;23:239-244.
3. Yokochi M, Narabayashi H, Iizuka R, Nagatsu T. Juvenile parkinsonism-some clinical, pharmacological, and neuropathological aspects. Adv Neurol 1984;40:407-413.
4. Duchenne muscular dystrophy
5. Gershanik OS, Leist A. Juvenile onset Parkinson's disease. Adv Neurol 1986;45:213-216.