Gunay, Rafet, Mehmet Bicer, Serdar Cimen, and Mahmut Murat Demirtas. “Increase in Graft Blood Flow in the Early Postoperative Period”. The Heart Surgery Forum 13, no. 2 (May 5, 2010): E124-E125. Accessed April 25, 2024. https://journal.hsforum.com/index.php/HSF/article/view/1152.