R. Kadhim S, H. Alaiwi I, R. R. Detection of Helicobacter Pylori IgG and IgA , Serum Biomarkers CA19-9 and CEA in Patients with Gastrointestinal Diseases. Iraqi Journal of Pharmaceutical Sciences [Internet]. 2017 Mar. 28 [cited 2025 Mar. 28];23(1):68-72. Available from: https://bijps.uobaghdad.edu.iq/index.php/bijps/article/view/406