Sztajnbok, Jaques, and Eduardo Juan Troster. “Acute Abdomen Due to Late Retroperitoneal Extravasation from a Femoral Venous Catheter in a Newborn”. São Paulo Medical Journal 120, no. 2 (March 3, 2002): 59–61. Accessed October 16, 2025. https://periodicosapm.emnuvens.com.br/spmj/article/view/2680.