Perrier, José Pedro. “Speech by the President of the 55th Uruguayan Congress of Surgery at the Inaugural Act November 17, 2004”. Revista Cirugía del Uruguay 75, no. 2 (April 22, 2005): 78–94. Accessed May 19, 2024. https://revista.scu.org.uy/index.php/cir_urug/article/view/4568.