Martinez-Gonzalez, M, et al. , translators. “BIOFEEDBACK IN REEDUCATION PERINEUMSPHINCTER WITH PATIENTS MULTIPLE SCLEROSIS”. Cuestiones De Fisioterapia, vol. 22, no. 1, Feb. 2003, pp. 19-26, https://cuestionesdefisioterapia.com/index.php/es/article/view/419.