Jiménez-Rejano, J J, et al. , translators. “EFFECTIVENESS OF THE ASYMMETRIC BYPHASE RECTANGULAR CURRENT CONTINUOUS AND BURST IN THE PAIN OF THE ACUTE ANKLE SPRAIN”. Cuestiones De Fisioterapia, vol. 38, no. 3, June 2009, pp. 147-60, https://cuestionesdefisioterapia.com/index.php/es/article/view/281.