Valenzuela, A. (1980) “Pharyngo - esophageal diverticulum.: systematization of Diagnostic and Therapeutic Study”, Cirugía del Uruguay, 50(5), pp. 409–411. Available at: https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/3132 (Accessed: 25 May 2026).