Davidenko, Nicolás, Aída Cresseri de Ríos, Adhemar Morales, Eduardo Pratto, and Luis Alberto Solé. 1986. “Gallstones in Patients Older Than 70 Years: About 128 Cases”. Cirugía Del Uruguay 56 (4-5):229-37. https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/3793.