1.
Amaral MJ, Serôdio M, Fraga EC, Camacho CP, Almeida AC, Manso A, Tralhão JG. Perforated duodenal ulcer after gastric bypass: a challenging diagnosis. Int Surg J [Internet]. 2020 Jan. 27 [cited 2025 Nov. 10];7(2):573-5. Available from: https://www.ijsurgery.com/index.php/isj/article/view/5371