Abuarij, M. and OBADI et al, A. (2026) “Association Between Chronic Urticaria and Helicobacter pylori Infection Among Patients Attending Major Hospitals in Sana’a, 2025: A Case-Control Study”, Institutional Repository for Scientific Scholarship at 21 September University for Medical and Applied Sciences, 7(1), pp. 1–15. doi:10.65693/irss.2026.v7i1.423.