Literature summary

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8. Limousin P, Krack P, Pollak P, Benabid AL et al. Electrical stimulation of the subthalamic nucleus in advanced Parkinson's disease. New Engl J Med 1998; 339: 1105-1111

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10. Molinuevo JL, Valldeoriola F, Tolosa E et al. Levodopa withdrawal after bilateral subthalamic nucleus stimulation in advanced Parkinson's disease. Arch Neurol 2000; 57: 983-988

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14. Moro E, Scerrati M, Romito LMA et al. Chronic subthalamic nucleus stimulation reduces medication requirements in Parkinson's disease. Neurology 1999; 53: 85-90

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17. Ardouin C, Pillon B, Peiffer E, Benabid AL et al. Bilateral subthalamic or pallidal stimulation for Parkinson's disease affects neither memory nor executive functions: a consecutive series of 62 patients. Ann Neurol 1999; 46: 217-223

18. Haberler C, Alesch F, Mazal PR et al. No tissue damage by chronic deep brain stimulation in Parkinson's disease. Ann Neurol 2000; 48: 372-376

19. Vesper J, Chabardes S, Fraix V et al. Dual channel deep brain stimulation system (Kinetra) for Parkinson's disease and essential tremor: a prospective multicentre open label clinical study. J Neurol Neurosurg Psychiatry 2002; 73: 275-280

20. The Deep Brain Stimulation for Parkinson's Disease Study Group. Deep-brain stimulation of the subthalamic nucleus or the pars interna of the globus pallidus in Parkinson's disease. N Engl J Med 2001; 345: 956-963

21. Schuurman PR, Bosch DA, Bossuyt PMM et al. A comparison of continuous thalamic stimulation and thalamotomy for suppression of severe tremor. New Engl J Med 2000; 342: 461-468

22. Troster AI, Pahwa R et al. Neuropsychological and quality of life outcome after thalamic stimulation for essential tremor. Neurology 1999; 53: 1774-1780

23. Lang A, Widner H et al. Deep brain stimulation for Parkinson's disease: Patient selection and evaluation. Mov Disord 2002; 17: S94-S101

24. Pahwa R, Lyons KL, Wilkinson SB et al. Bilateral thalamic stimulation for the treatment of essential tremor. Neurology 1999; 53: 1447-1450