Mehta Shyamal H, Nichols Fenwick T, Espay Alberto J, Duker Andrew P, Morgan John C, Sethi Kapil D
Movement Disorders Program, Medical College of Georgia, Augusta, GA 30912, USA.
Mov Disord. 2013 May;28(5):589-90. doi: 10.1002/mds.25474. Epub 2013 Apr 10.