Smith Kara M, Deik Andres, Stern Matthew B, Thompson Philip
Parkinson's Disease and Movement Disorders Center Department of Neurology Perelman School of Medicine at the University of Pennsylvania Philadelphia PA USA.
Department of Neurology University of Adelaide and Royal Adelaide Hospital Adelaide Australia.
Mov Disord Clin Pract. 2014 Jun 11;1(3):245-246. doi: 10.1002/mdc3.12045. eCollection 2014 Sep.