Keng, C., X. Y. Goai, and C. F. Pretorius. “Acute Duodenal Diverticulitis With Contained Perforation Causing Biliary Obstruction and Ascending Cholangitis: A Case Report”. International Surgery Journal, vol. 13, no. 4, Mar. 2026, pp. 634-9, doi:10.18203/2349-2902.isj20260736.