Wu, Chengyuan Commentary: Using Directional Deep Brain Stimulation to Co-activate the Subthalamic Nucleus and Zona Incerta for Overlapping Essential Tremor/Parkinson's Disease Symptoms. [electronic resource] - Frontiers in neurology 2019 - 854 p. digital Publication Type: Journal Article; Comment ISSN: 1664-2295 Standard No.: 10.3389/fneur.2019.00854 doi