SANTOS, A.; COSTA, S.; COSTA, W.; PINTO, R.; PEIXOTO, I.; ARAÚJO, R.; ALPOIM, C.; SANTOS, T. Gastrogastric fistula: a case report of a rare late complication after Roux-en-Y gastric bypass . International Surgery Journal, [S. l.], v. 13, n. 1, p. 93–96, 2025. DOI: 10.18203/2349-2902.isj20254092. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/11652. Acesso em: 20 feb. 2026.