THE CONCEPT AND PREVALENCE OF HELICOBACTER PYLORI INFECTION. Western European Journal of Medicine and Medical Science, [S. l.], v. 3, n. 02, p. 4–10, 2025. Disponível em: https://westerneuropeanstudies.com/index.php/3/article/view/2020.. Acesso em: 16 mar. 2025.