R. e Hinna, M. . Usman Munir, M. . Manzoor, I. Ali, R. S. A. Khan, and M. . Afzal, “Prevalence of Gastrointestinal Symptoms in COVID-19 Patients; Result From Tertiary Care Hospital in Pakistan”, Scr Med, vol. 55, no. 5, pp. 591–596, Oct. 2024, doi: 10.5937/scriptamed55-48663.