Duhagon, Pedro, et al. “Extraction by Cardiac Catheterization of Embolized Catheters in the Right Atrium, Right Ventricle and Pulmonary Artery”. Cirugía Del Uruguay, vol. 58, no. 6, Apr. 1988, pp. 230-4, https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/3856.