Investigating the immunological effects of H.pylori infection in peptic ulcer patients. University of Thi-Qar Journal of Science, [S. l.], v. 2, n. 4, p. 47–58, 2011. Disponível em: http://mail.jsci.utq.edu.iq/index.php/main/article/view/451.. Acesso em: 26 dec. 2024.