BALAI, S. S. . FUNCTIONAL PAIN ABDOMEN IN CHILDREN: EPIDEMIOLOGY AND ETIOPATHOLOGY. International Journal of Medical and Biomedical Studies, [S. l.], v. 5, n. 8, 2021. DOI: 10.32553/ijmbs.v5i8.2113. Disponível em: https://ijmbs.info/index.php/ijmbs/article/view/2113. Acesso em: 25 may. 2026.