DİLEGE, Ece, et al. “A Rare Case of Adult Intestinal Intussusception: Epithelioid Type Mesenchymal Tumor of the Small Intestine”. Turkish Journal of Gastroenterology, vol. 19, no. 2, Jan. 2008, pp. 121-4, https://turkjgastroenterol.org/index.php/tjg/article/view/1646.