Qureshi, T. Z., K. Saleem, R. Bilal, and S. Zafar. “GENERAL PREVALENCE OF HELICOBACTER PYLORI INFECTION IN DYSPEPTIC POPULATION OF ISLAMABAD, PAKISTAN”. The Nucleus 45, no. 3-4 (July 1, 2020): 157–162. Accessed April 28, 2024. http://thenucleuspak.org.pk/index.php/Nucleus/article/view/991.