Iqbal, Rumeela, et al. “Diagnostic Accuracy of Stool Antigen and Serological Tests for Helicobacter Pylori Infection in Symptomatic Patients at a Tertiary Care Hospital in Islamabad”. Indus Journal of Bioscience Research, vol. 4, no. 2, Feb. 2026, pp. 208-15, https://doi.org/10.70749/ijbr.v4i2.2911.