García Capurro, Federico. “The Intestinal Gas of the Thin Radiological Sign of Pericolecistitis”. Cirugía del Uruguay 20, no. 5-6 (February 5, 2020): 457–461. Accessed May 28, 2026. https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/995.