Siniawski, Henryk, Onnen Grauhan, Michael Hofmann, Miralem Pasic, Yuguo Weng, Charles Yankah, Hans Lehmkuhl, and Roland Hetzer. “Factors Influencing the Results of Double-Valve Surgery in Patients With Fulminant Endocarditis: The Importance of Valve Selection”. The Heart Surgery Forum 7, no. 5 (January 4, 2005): E405-E410. Accessed April 25, 2024. https://journal.hsforum.com/index.php/HSF/article/view/749.