Motor and non-motor function predictors of mortality in Parkinson’s disease

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Variable expression of Parkinson's disease

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The impact of non‐motor symptoms on health‐related quality of life of patients with Parkinson's disease

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The Sydney multicentre study of Parkinson's disease: progression and mortality at 10 years

M. A. Hely, John G. Morris, R. Traficante et al. · Journal of Neurology Neurosurgery & Psychiatry · 1999 · 378 citations · Full text

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