Wajeeha Rafi, Ammar Noor, Hafiz Muhammad Hashim Khan, Tayyab Arif Butt, Muhammad Inam Ul Haq, Muhammad Mohsin Bajwa (2022) “Frequency of Helicobacter Pylori Infection in Patients with Functional Dyspepsia”, Pakistan Journal of Medical & Health Sciences, 16(05), p. 504. doi: 10.53350/pjmhs22165504.