MEDINA, Fernando; SALAZAR, Raúl. Helicobacter pylori en niños con dolor abdominal. MedUNAB, [S. l.], v. 2, n. 6, p. 115–119, 1999. Disponível em: https://revistasunabeduco.biteca.online/index.php/medunab/article/view/353. Acesso em: 23 ago. 2025.