POSITIVE EXPIRATORY PRESSURE TECHNIQUES (PEP) IN CYSTIC FIBROSIS. BIBLIOGRAPHIC REVIEW. Cuestiones de Fisioterapia, [S. l.], v. 47, n. 2, p. 131–141, 2018. Disponível em: https://cuestionesdefisioterapia.com/index.php/es/article/view/174.. Acesso em: 20 jan. 2026.