Deep-Brain Stimulation for Parkinsons DiseaseNEJM 367:1529-1538, Okon, M.S., 2012
Stereotactic pallidotomy for Trtm of Parkinson's Disease, Efficacy & Adverse Effects at 6 Mo in 26 PtsNeurol 50:434-438, Shannon,K.M.,et al, 1998