Natalia, S. et al. 2021. The clinical features of COVID-19 patients with positive viral RNA stool test results and possibility of fecal-oral transmission : A Systematic Review. The Indonesian Journal of Gastroenterology, Hepatology, and Digestive Endoscopy. 22, 1 (May 2021), 42–51. DOI:https://doi.org/10.24871/221202142-51.