Marella, Muzio, et al. “Tension Pneumoperitoneum and Generalized Subcutaneous Emphysema Due to Subhepatic Suction Drainage Functioning As an Air Injector”. Cirugía Del Uruguay, vol. 45, no. 1, Feb. 1975, pp. 47-49, https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/2527.