Single vs Double Anti-platelet Therapy: Investigating Determinants of Peri-operative Hemostasis and Bleeding in Coronary Artery Bypass Grafting. A Prospective Controlled Study - Buratto, E.; Tarzia, V.; Paosini, C.; Bottio, T.; Rizzoli, G.; Dal Lin, C.; Spiezia, L.; Simioni, P.; Gerosa, G. (Heart, Lung & Circulation, 2012)