Ruvira-Quintana , L, and E Piñero-Pinto , trans. 2020. “PHYSIOTHERAPY AND VIRTUAL REALITY TO IMPROVE BALANCE IN CHILDREN WITH DOWN SYNDROME: SYSTEMATIC REVIEW”. Cuestiones De Fisioterapia 49 (1): 70-76. https://cuestionesdefisioterapia.com/index.php/es/article/view/131.