Nishtar, Tariq, Mohammad Ali, Sultan Mehmud, Rehmatullah Opal, and Salar Zai. “The Changing Etiology Of Infective Endocarditis”. Pakistan Heart Journal 21, no. 1 (August 30, 2012). Accessed November 24, 2024. https://pakheartjournal1.pcs.org.pk/index.php/pk/article/view/313.