• Juvenile Parkinson's disease is rare. Virtually all reported cases are either associated with a family history or additional neurologic findings. We report a sporadic case of classic Parkinson's disease, without other abnormal neurologic signs and age at onset of 15 years.
Clough CG, Mendoza M, Yahr MD. A Case of Sporadic Juvenile Parkinson's Disease. Arch Neurol. 1981;38(11):730–731. doi:10.1001/archneur.1981.00510110090020
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