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"Early-onset" Parkinson disease 20
- ... if signs and symptoms begin before age 50. Early-onset cases that begin before age 20 are sometimes referred to as juvenile-onset Parkinson's disease. Parkinson's disease affects more than 1 million ...
- ... Mutations in the glucocerebrosidase gene are associated with early-onset Parkinson disease. Neurology. 2007 Sep 18;69(12):1270-7. ...