Qureshi, T. Z., K. Saleem, R. Bilal, and S. Zafar. “GENERAL PREVALENCE OF HELICOBACTER PYLORI INFECTION IN DYSPEPTIC POPULATION OF ISLAMABAD, PAKISTAN”. The Nucleus, vol. 45, no. 3-4, July 2020, pp. 157-62, doi:10.71330/thenucleus.2008.991.