Soft signs in movement disorders: friends or foes?
Conor Fearon, Alberto J Espay, Anthony E Lang, Timothy Lynch, Davide Martino, Francesca Morgante, Niall P Quinn, Marie Vidailhet, Alfonso Fasano
Journal of Neurology, Neurosurgery & Psychiatry Aug 2019, 90 (8) 961-962; DOI: 10.1136/jnnp-2018-318455