M. Y. Youssef, I. Bortolussi, M. H. Eldessouki, H. Khan, A. Usman, and J. John, “Endoscopic salvage of colonic obstruction caused by an unidentified fibrous foreign body”, EJCRIM, vol. 13, no. 4, Apr. 2026, doi: 10.12890/2026_006297.