University of Iowa

Baseline Prevalence and Longitudinal Evolution of Non-Motor Symptoms in Early Parkinson’s Disease: The PPMI Cohort

Simuni T, Caspell-Garcia C, Walker M, Coffey, C, Weintraub D, Mollenhauer B, Lasch S, Tanner C, Jennings D, Kieburtz K, Chahine L, and Marek K on behalf of the PPMI Investigators
Journal of Neurology, Neurosurgery, & Psychiatry. 2018; 89 (1) 78-88.
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