Nikpour, S. ., Gachkar, L. ., Rezaei, R., Salehi, M. ., Futuhi, F. ., Sabeti, S. ., Shabani, M. . and Erfanifar, A. . (2022) “Prevalence of Helicobacter pylori infection and its associated factors in patients with COVID-19”, Novelty in Biomedicine, 10(3), pp. 167–177. doi: 10.22037/nbm.v10i3.37858.