Khadka, Dipendra, et al. “Prevalence and Characteristics of Gastrointestinal Symptoms and Hepatic Manifestation in Covid-19 Infection in Tertiary Care Center ”. Journal of Nepalgunj Medical College, vol. 19, no. 2, Dec. 2021, pp. 2-6, doi:10.3126/jngmc.v19i2.42791.