Chatzis, Andrew C., Nicolas M. Giannopoulos, Demetrios Bobos, George B. Kirvassilis, Spyros Rammos, and George E. Sarris. “New Xenograft Valved Conduit (Contegra) for Right Ventricular Outflow Tract Reconstruction”. The Heart Surgery Forum 6, no. 5 (February 8, 2005): 396-398. Accessed April 23, 2024. https://journal.hsforum.com/index.php/HSF/article/view/670.