Parkinson's disease beyond 20 years
Roberto Cilia, Emanuele Cereda, Catherine Klersy, Margherita Canesi, Anna L Zecchinelli, Claudio B Mariani, Silvana Tesei, Giorgio Sacilotto, Nicoletta Meucci, Michela Zini, Claudio Ruffmann, Ioannis U Isaias, Stefano Goldwurm, Gianni Pezzoli
Journal of Neurology, Neurosurgery & Psychiatry Aug 2015, 86 (8) 849-855; DOI: 10.1136/jnnp-2014-308786