The University of Iowa

How Stable are Parkinson’s Disease Subtypes in De Novo Patients: Analysis of the PPMI Cohort

Simuni T, Caspell-Garcia C, Coffey C, Lasch S, Tanner C, & Marek K on behalf of the PPMI Investigators
Parkinsonism & Related Disorders. 2016; 28 62-67.
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