BALKHY, H. H.; QUINN, C. C.; LOIS, K. H.; MUNSCH, C. M. Routine Intracoronary Shunting in Multivessel Off-Pump Coronary Artery Bypass: A Retrospective Review of in-Hospital Outcomes in 550 Consecutive Cases. The Heart Surgery Forum, v. 6, n. 2, p. E32-E35, 2 Feb. 2005.