POSTON, R.; WHITE, C.; READ, K.; GU, J.; LEE, A.; AVARI, T.; GRIFFITH, B. Virchow Triad, but Not Use of an Aortic Connector Device, Predicts Early Graft Failure after Off-Pump Coronary Bypass. The Heart Surgery Forum, v. 7, n. 5, p. E428-E433, 4 Jan. 2005.