HEGAR, B. Helicobacter pylori Infection in Children with Recurrent Abdominal Pain. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy, [S. l.], v. 2, n. 2, p. 1–4, 2001. DOI: 10.24871/2220011-4. Disponível em: https://www.ina-jghe.com/index.php/jghe/article/view/43. Acesso em: 3 oct. 2026.