Media type: E-Article Title: Mental deterioration, visuoperceptive disabilities and constructional apraxia in Parkinson's disease Contributor: Villardita, Claudio; Smirni, Pietro; LE Pira, Francesco; Zappala, Giuseppe; Nicoleiti, Francesco Published: Hindawi Limited, 2009 Published in: Acta Neurologica Scandinavica, 66 (2009) 1, Seite 112-120 Language: English DOI: 10.1111/j.1600-0404.1982.tb03135.x ISSN: 0001-6314; 1600-0404 Origination: Footnote: