Llopis Gimeno, J, and A Sancho Perez , trans. “Functional Electrical Stimulation (FES). A Review Article”. Cuestiones de Fisioterapia 5, no. 1 (April 30, 1997): 57–64. Accessed February 25, 2026. https://cuestionesdefisioterapia.com/index.php/es/article/view/584.