Agostini, Marco, Carlo Fino, Pierfederico Torchio, Vincenzo Di Gregorio, Mauro Feola, Marco Bertora, Elisa Lugli, and Claudio Grossi. “High OPCAB Surgical Volume Improves Midterm Event-Free Survival”. The Heart Surgery Forum 12, no. 5 (October 15, 2009): E250-E255. Accessed November 21, 2024. https://journal.hsforum.com/index.php/HSF/article/view/301.