Delgado, Bolívar. “Surgical Anatomy of the Rectum: Round Table Benign Anorectal Processes; Introduction Alberto R. Aguiar”. Cirugía Del Uruguay, vol. 43, no. 1, Feb. 1973, pp. 2-5, https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/2314.