Antiga, E., O. Chavarria, and R. Grezzi. “Gallbladder Volvulus”. Cirugía del Uruguay 41, no. 3 (February 11, 1971): 333–336. Accessed May 23, 2026. https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/2195.