The motor phenotype of Parkinson's disea
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Mirdhu M. Wickremaratchi; M. Duleeka W. Knipe; B.S. Dwarakanath Sastry; Elizabet
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Article
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2011
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John Wiley and Sons
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English
β 140 KB
π 1 views
## Abstract **Background:** Parkinson's disease (PD) is heterogeneous and age at onset may define variation in clinical phenotype. Most previous studies have used various age cutβoffs and have been based on clinical case series. **Methods:** We have studied the association between clinical features