Bosi, Simone, and Gian Luigi de’Angelis. “Case Report: Successful Endoscopic Removal of a Large Rectal Foreign Body”. Acta Bio Medica Atenei Parmensis 91, no. 3 (September 7, 2020): e2020074. Accessed October 26, 2020. https://mattioli1885journals.com/index.php/actabiomedica/article/view/7806.