Graña, A. “Biological Investigations in the Bile Duct Open Liver Hydatid Cyst: Action of Biological Therapeutics”. Cirugía Del Uruguay, vol. 14, no. 11-12, Jan. 2020, pp. 710-6, https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/690.