Dear Editor

Bailey J. (2015). Letter to the editor: Reply. ATLA 43, 206–207.

Benabid A.L. , DeLong M. , Hariz M. (2015). Letter to the editor. ATLA 43, 205–206.

Blomstedt P. , Sandvik U. , Fytagoridis A. & Tisch S. (2009). The posterior subthalamic area in the treatment of movement disorders: Past, present, and future. Neurosurgery 64, 1029–1038.

Bergman H. , Wichmann T. & DeLong M.R. (1990 Reversal of experimental parkinsonism by lesions of the subthalamic nucleus. Science, New York 249, 1436–1438.

Wichmann T. , DeLong M.R. , Guridi J. & Obeso J.A. (2011). Milestones in research on the pathophysiology of Parkinson's disease. Movement Disorders 26, 1032–1041.

Benazzouz A. , Gross C. , Féger J. , Boraud T. & Bioulac B. (1993). Reversal of rigidity and improvement in motor performance by subthalamic high-frequency stimulation in MPTP-treated monkeys. European Journal of Neuroscience 5, 382–389.