Review

Functional imaging of subthalamic nucleus deep brain stimulation in Parkinson's disease.

Mov. Disord. 2011 Aug 15;26(10):1835-43.
Multicenter Study

Bilateral deep brain stimulation in Parkinson's disease: a multicentre study with 4 years follow-up.

Brain. 2005 Oct 1;128(Pt 10):2240-9.
Review

Deep brain stimulation for parkinsonian gait disorders.

J. Neurol. 2008 Aug 1;255 Suppl 4:30-1.