Akpinar, Belhhan, Mustafa Güden, Ertan Sagbas, Ilhan Sanisoglu, Vedat Aytekin, and Osman Bayindir. “Off-Pump Coronary Artery Bypass Grafting With Use of the Octopus 2 Stabilization System”. The Heart Surgery Forum 3, no. 4 (December 1, 2000): E282-E286. Accessed July 22, 2024. https://journal.hsforum.com/index.php/HSF/article/view/6467.