Bortolin, Greta, Matteo Magnoli, Francesco Calabrese, Gabriele Bocca, and Sandro Zonta. “Adult Sigmoid Intussusception As a Rare Presentation of Advanced Adenocarcinoma: A Case Report”. Case Reports in Emergency Surgery and Trauma 1, no. 1 (June 27, 2023). Accessed October 18, 2024. https://www.crest-journal.net/site/article/view/14.