L McGee-Minnich

Cortical and subcortical blood flow effects of subthalamic nucleus stimulation in PD

J. Mink, T. Videen, J. Perlmutter, 2003, Neurology.

Long term treatment and disease severity change brain responses to levodopa in Parkinson’s disease

A Z Snyder, A. Snyder, K. Black, 2003, Journal of neurology, neurosurgery, and psychiatry.