Diagnostic Criteria for Parkinson Disease
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A Clinicopathologic Study of 100 Cases of Parkinson's Disease
Arch Neurol 50:140-148, Hughes,A.J.,et al, 1993
Cognitive Change Following MPTP Exposure
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Dementia in Parkinson Disease
Ann Neurol 6:355-359, Lieberman,A.,et al, 1979
Considerations in the Management of Parkinsonism
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