Changes

* 1987 - the research on deep brain stimulation of the thalamic nucleus ventralis intermedius to treat symptoms of Parkinson's disease was published<ref>BENABID A.L. et al. Combined (Thalamotomy and Stimulation) Stereotactic Surgery of the VIM Thalamic Nucleus for Bilateral Parkinson Disease. Appl Neurophysiol, 1987, 50, 344–346 Doi: 10.1159/000100803 Available online at: https://www.karger.com/Article/Abstract/100803 (Retrieved 12th April, 2017).</ref> * 1993 - deep brain stimulation of subthalamic nucleus was introduced as a treatment of Parkinson's disease.<ref>BENABID A.L. et al. Acute and long-term effects of subthalamic nucleus stimulation in Parkinson’s disease. Stereotact Funct Neurosurg, 1994, 62, 76–84. Doi: 10.1159/000098600 Available online at: https://www.karger.com/Article/Abstract/98600 (Retrieved 12th April, 2017).</ref>