Rana Muhammad Suhail Khan, Muhammad Afham Shahid, Shoaib Akram, Ammara Riaz 2022. Effect of Covid on Gaster Intestinal Tract and its Signs and Symptoms. Pakistan Journal of Medical & Health Sciences. 16, 09 (Nov. 2022), 525. DOI:https://doi.org/10.53350/pjmhs22169525.