Rubio-Agusti Ignacio, Kojovic Maja, Chandrashekar Hoskote S, Edwards Mark J, Bhatia Kailash P
Sobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, London, UK.
Mov Disord. 2012 Feb;27(2):203-4. doi: 10.1002/mds.24013.