Suiffet, Walter, and Julio Mañana. “Esophageal Pharyngeal Diverticulum: Pathophysiology, Treatment”. Cirugía Del Uruguay, vol. 28, no. 6, Mar. 2020, pp. 423-40, https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/1435.