N. T. Lien, T. V. T. Vinh, N. T. T. T. Huyen, and L. M. Chau, “Active Helicobacter pylori Infection as a Marker of an Activity-Linked Phenotype in Chronic Spontaneous Urticaria”, J Clin Med Res, vol. 18, no. 3, pp. 211–217, Jan. 2026, doi: 10.14740/jocmr6511.