Kikuchi, Tatsuya, Yasushi Yamasaki, Tsuyoshi Fujimoto, and Shoichi Tanaka. “Strategy for Removing an Impacted Enterolith Using Double-Balloon Enteroscopy in Crohn’s Disease”. European Journal of Case Reports in Internal Medicine 8, no. 1 (January 28, 2021). Accessed May 5, 2024. https://www.ejcrim.com/index.php/EJCRIM/article/view/2266.