The University of Iowa

Correlates of Excessive Daytime Sleepiness in De Novo Parkinson’s Disease: A Case Control Study

Simuni T, Caspell-Garcia C, Coffey C, Chahine LM, Lasch S, Oertel WH, Mayer G, Hogl B, Postuma R, Videnovic A, Amara AW, and Marek K for the PPMI Sleep Working Group on Behalf of the PPMI Investigators
Movement Disorders. 2015 June 11; 30 (10) 1371-1381.