PHYSIOTHERAPY AND BACK SCHOOLS IN PRIVATE CENTERS IN ZARAGOZA. Cuestiones de Fisioterapia, [S. l.], v. 21, n. 1, p. 81–86, 2002. Disponível em: https://cuestionesdefisioterapia.com/index.php/es/article/view/433.. Acesso em: 26 oct. 2025.