Sunny A, Hegde AV, Ashwath G, Hanji S, Devarbhavi H, Rozario A. A retrograde intussusception of Roux-en-Y gastrojejunostomy: an unusual cause of haematemesis. Int Surg J [Internet]. 2016 Dec. 9 [cited 2026 Feb. 3];3(3):1634-7. Available from: https://www.ijsurgery.com/index.php/isj/article/view/340