Estefan, Alberto, Guillermo Carriquiry, Alberto Beguiristaín, Luis Pérez Billi, Fernando Lago, and Daniel Pignata. 1984. “Our Experience With Modified Sugiura’s Procedure for the Treatment of Esophageal Varices”. Cirugía Del Uruguay 54 (1):12-18. https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/3518.