López-Frade , N, and Z Naia-Entonado , trans. 2021. “ SYSTEMATIC REVIEW ABOUT THE EFFICACY OF YHE PHYSICAL THERAPY TREATMENT FOR THE IRRITABLE BOWEL SYNDROME”. Cuestiones De Fisioterapia 50 (3): 248-60. https://cuestionesdefisioterapia.com/index.php/es/article/view/70.