Degenerative Diseases of the Nervous System, Dystonia Musculorum Deformans
Adams & Victors Principles of Neurology, Chp 39, pg 1099, Ropper, A.H.,et al, 2014
Treatment of Advanced Parkinson's Disease by Posterior GPi Pallidotomy:1-Year Results of a Pilot Study
Ann Neurol 40:355-366, 3411996., Baron,M.S.,et al, 1996