A. Moustafa L, ليلى. Chemical Analysis of Gastric Juice in Duodenal Ulcer Patients Infected with Helicobacter Pylori. RSCI [Internet]. 2025 Jun. 24 [cited 2025 Aug. 10];17(7):45-51. Available from: https://rjps.uomosul.edu.iq/index.php/rsci/article/view/11762