ÇAĞLIKÜLEKÇİ, Mehmet, et al. “Xanthogranulomatous Cholecystitis: A Report of Sixteen Cases”. Turkish Journal of Gastroenterology, vol. 8, no. 3, Jan. 1997, pp. 346-9, https://turkjgastroenterol.org/index.php/tjg/article/view/815.