ABDULLA HASSAN, P. Detection of Immunoglobulin G and M Antibodies to Helicobacter Pylori in Serum by an Enzyme Immunoassay Method. Journal of Education and Science (JES), [S. l.], v. 24, n. 3, p. 89–97, 1999. DOI: 10.33899/edusj.1999.58807. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23728. Acesso em: 6 aug. 2025.