Yildirim M, Oztekin O, Bayam ME, Yagli E, Yakan S. Retroperitoneal perforation of the rectum during double-contrast barium-enema examination: a life-threatening complication. Radiol Oncol [Internet]. 2009 Jun. 1 [cited 2026 Jun. 12];43(1). Available from: https://www.radioloncol.com/index.php/ro/article/view/1180