González, Jorge, Bruno di Donna, Andrés Colet, Juan Domínguez, and Alberto Estefan. 1984. “Vesicular Lithlasis: Are There Cases in Which Intraoperative Cholangiography May Be Obviated?”. Cirugía Del Uruguay 54 (2):120-23. https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/3538.