KHUDAYBERGANOVA N.KH.; RAHMATULLAYEVA G.K. To Assess the Frequency of Iron Deficiency Anemia and Helicobacter Pylori Infection Among School-Age Children with Chronic Gastroduodenal Pathology. European Science Methodical Journal, [S. l.], v. 1, n. 8, p. 10–18, 2023. Disponível em: https://europeanscience.org/index.php/3/article/view/296. Acesso em: 6 jul. 2024.