Welke, Karl F., YingXing Wu, Gary L. Grunkemeier, Aftab Ahmad, and Albert Starr. “Long-Term Results After Carpentier-Edwards Pericardial Aortic Valve Implantation, With Attention to the Impact of Age”. The Heart Surgery Forum 14, no. 3 (June 15, 2011): E160-E165. Accessed April 20, 2024. https://journal.hsforum.com/index.php/HSF/article/view/26.