RICHARDSON, Hannah; BLAND, Ruth; GRAY, Kirsty. Identifying Prognostic Factors Implicated in Chronic Functional Abdominal Pain in Children: A Systematic Review. Gastroenterology Research, [S. l.], v. 19, n. 4, p. 175–183, 2026. DOI: 10.14740/gr2141. Disponível em: https://gr.elmerpub.com/index.php/gr/article/view/2141.. Acesso em: 27 aug. 2026.