Gunay, Celalettin, Faruk Cingoz, Selim Kilic, and Erkan Kuralay. “Reinsertion Predictors of Intraaortic Balloon Pumps”. The Heart Surgery Forum 10, no. 6 (November 22, 2007): E463-E467. Accessed October 29, 2020. https://journal.hsforum.com/index.php/HSF/article/view/381.