Andreoli, Gustavo, and Gerardo Secondo. “Percutaneous Cholecystostomy, Indications, Technique and Results Analysis of 10 Cases”. Cirugía Del Uruguay, vol. 75, no. 1, Apr. 2005, pp. 35-39, https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/4561.