Interhemispheric functional interactions between the subthalamic nuclei of patients with Parkinson's disease. - Hohlefeld, F. U.; Huchzermeyer, C.; Huebl, J.; Schneider, G.‐H.; Brücke, C.; Schönecker, T.; Kühn, A. A.; Curio, G.; Nikulin, V. V. (European Journal of Neuroscience, 2014)