Khan, Hira, et al. “Emphysematous Gastritis in a Patient With Concomitant COVID-19 Infection and Celiac Trunk Stenosis: A Case Report”. ASIDE Gastroenterology, vol. 2, no. 1, Dec. 2025, pp. 14-18, https://doi.org/10.71079/ASIDE.GI.120325228.