Yassar, Zinat B, et al. “Transcutaneous Electrical Nerve Stimulation in Conjunction With Task-Oriented Training in the Management of Chronic Post-Stroke Spasticity of the Upper Limb: A Case Report”. The Nigerian Health Journal, vol. 20, no. 4, Mar. 2021, pp. 159-65, https://tnhjph.com/index.php/tnhj/article/view/497.