A meta-analysis and meta-regression of serial reaction time task performance in Parkinson's disease
Neuropsychology (2014) - Comment
pubmed: 25000326  doi: 10.1037/neu0000121  issn: 1931-1559  issn: 0894-4105 

Gillian M. Clark, Jarrad A. G. Lum, Michael T. Ullman