Eroshkin, O. A., and A. R. Garmish. “Percutaneous Radiofrequency Selective Rhizotomy of Gasser’s Node in Treatment of Trigeminal Neuralgia and Cluster Headache”. Pain Medicine, vol. 2, no. 3, Sept. 2017, pp. 75-78, https://painmedicine.org.ua/index.php/pnmdcn/article/view/68.