Ahmed, Hameed, Javed Iqbal Farooqi, Qazi Ikramullah, Farooq Ahmad, Muhammad Nawaz, Sultan Gul, and Masood ur Rehman. “FREQUENCY OF UPPER GASTROINTESTINAL PATHOLOGIES: LOCAL PERSPECTIVE”. Journal of Postgraduate Medical Institute 20, no. 3 (August 12, 2011). Accessed April 27, 2024. https://jpmi.org.pk/index.php/jpmi/article/view/114.