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 April 23; 28 62-67.
PubMed: 
27132498
Projects: 
PPMI Statistics Core