Otero, José P, and E Etchegorry. “Invagination of an Efferent Loop of Gastroenterostomy”. Cirugía del Uruguay 7, no. 3 (January 13, 2020): 42–57. Accessed May 23, 2026. https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/339.