Bolcal, Cengiz, Bilgin Emrecan, Hakan Bingöl, Mehmet Fatih Ayik, Faruk Cingöz, Vedat Yildirim, Erkan Kuralay, Ufuk Demirkiliç, Selim Kiliç, and Harun Tatar. “Does Combination of Antegrade and Retrograde Cardioplegia Reduce Coronary Artery Bypass Grafting-Related Conduction Defects?”. The Heart Surgery Forum 9, no. 6 (October 9, 2006): E866-E870. Accessed October 29, 2020. https://journal.hsforum.com/index.php/HSF/article/view/100.