Deep Brain StimulationJAMA 305:732, Pluta,R.,et al, 2011
Unilateral Pallidotomy for Parkinson's Disease:Results after More Than 1 YearJNNP 67:511-517, Schrag,A.,et al, 1999
Living with Parkinson's DiseaseNEJM 334:114-116, Salzman,E.W., 1996