Caña-Pino , A, et al. “CENTRE OF PRESSURE AS A MEASURE TO ASSESS POSTURAL CONTROL IN STANDING AND SITTING: A PILOT STUDY”. Cuestiones De Fisioterapia, vol. 46, no. 2, Apr. 2017, pp. 08-17, http://cuestionesdefisioterapia.es/index.php/cf/article/view/183.