%0 Journal Article %T Neuropsychiatry of Parkinson's Disease %A Antonio L. Teixeira %A Leonardo F. Fontenelle %A Edward C. Lauterbach %A Sergio Starkstein %J Parkinson's Disease %D 2012 %I %R 10.1155/2012/908943 %U http://dx.doi.org/10.1155/2012/908943