Arslan, Baha, Tugbahan Yilmaz, Varlik Erol, and Huseyin Gulay. “Asymptomatic Cholecysto-Enteric Fistula and Gallstone Ileus: Two Case Reports ”. Annals of Medical Research 26, no. 1 (May 25, 2021): 0113–0116. Accessed September 15, 2026. http://www.annalsmedres.org/index.php/aomr/article/view/1397.