Bakhtyiar Shwan Azeez, Sana Rafat Yassin, Ayshan Rafat Yassin 2022. Prevalence of H. Pylori Infection among Patients with Recurrent Gastric Ulcer in Arbil City. Pakistan Journal of Medical & Health Sciences. 16, 06 (Aug. 2022), 638. DOI:https://doi.org/10.53350/pjmhs22166638.