THE MAIN CAUSES OF THE DEVELOPMENT OF PEPTIC ULCER OF THE STOMACH AND DUODENUM. American Journal of Interdisciplinary Research and Development, [S. l.], v. 36, p. 133–138, 2025. Disponível em: https://ajird.journalspark.org/index.php/ajird/article/view/1449. Acesso em: 12 may. 2026.