Janež, Jurij. “Bolus Ileus-an Occasional Cause of Small Bowel Obstruction-Case Report”. International Journal of Research in Medical Sciences 5, no. 12 (November 25, 2017): 5447–5449. Accessed May 26, 2026. https://www.msjonline.org/index.php/ijrms/article/view/4080.