Porras, Yamandú, et al. “Acute Volvulus of the Stomach Associated With Diverticulum of the Second Portion of the Duodenum”. Cirugía Del Uruguay, vol. 43, no. 3, Feb. 1973, pp. 238-40, https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/2389.