ABUARIJ, Mutaia; OBADI ET AL, Abdulkareem. 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, اليمن، صنعاء, v. 7, n. 1, p. 1–15, 2026. DOI: 10.65693/irss.2026.v7i1.423. Disponível em: https://ojs.21umas.edu.ye/irss/article/view/423. Acesso em: 30 oct. 2026.