Sztajnbok, J., and E. J. Troster. “Acute Abdomen Due to Late Retroperitoneal Extravasation from a Femoral Venous Catheter in a Newborn”. São Paulo Medical Journal, vol. 120, no. 2, Mar. 2002, pp. 59-61, https://periodicosapm.emnuvens.com.br/spmj/article/view/2680.