Piacenza, G., Torterolo, E., Carriquiry, L., Acosta Ferreira, W., & Viñuela, E. (1980). Benign Coionic Ulcers: about 4 observations. Cirugía Del Uruguay, 50(2), 107–112. Retrieved from https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/3075