Chronic electrical stimulation of the ventralis intermedius nucleus of the thalamus and of other nuclei as a treatment for Parkinson's disease. - Benabid,A.; Benazzouz,A.; Gao,D.; Hoffmann,D.; Limousin,P.; Koudsie,A.; Krack,P.; Pollak,P. (Techn Neurosurg, 1999)