Elsner, Bernhard, Joachim Kugler, Marcus Pohl, and Jan Mehrholz. “Transcranial Direct Current Stimulation for Improving Spasticity After Stroke: A Systematic Review With Meta-Analysis”. Journal of Rehabilitation Medicine 48, no. 7 (May 11, 2016): 565–570. Accessed July 28, 2024. https://medicaljournalssweden.se/jrm/article/view/15443.