Instrumental activities of daily living are impaired in Parkinson's disease patients with mild cognitive impairment
Neuropsychology (2014) - Comment
pubmed: 24417192  doi: 10.1037/neu0000045  issn: 1931-1559  issn: 0894-4105 

Eva Pirogovsky, Dawn M. Schiehser, Kristalyn M. Obtera, Mathes M. Burke, Stephanie L. Lessig, David D. Song, Irene Litvan, J. Vincent Filoteo