NYANKOVSKYY, S.; IVAKHNENKO, O. Features of diagnostics, clinical course and treatment of helicobacter pylori infection in children. European Journal of Clinical and Experimental Medicine, [S. l.], v. 5, n. 1, p. 41–49, 2007. Disponível em: https://journals.ur.edu.pl/ejcem/article/view/13367. Acesso em: 26 jul. 2026.