PREVALENCE OF HELICOBACTER PYLORI INFECTION IN CHILDREN WITH GASTRODUODENAL PATHOLOGY. Western European Journal of Medicine and Medical Science, [S. l.], v. 1, n. 4, p. 1–3, 2023. Disponível em: https://westerneuropeanstudies.com/index.php/3/article/view/115. Acesso em: 31 jan. 2026.