Shah, Z., H. Bibi, A. Shuaib, F. Shaheen, T. Sultana, and M. Ali. “Frequency Of Irritable Bowel Syndrome in Post Graduate Residents in Hayatabad Medical Complex, Peshawar”. THE STETHO, vol. 3, no. 3, Mar. 2021, pp. 1-5, https://www.thestetho.com/index.php/ts/article/view/50.