LIKOSKY, D. S.; DONEGAN, D. J.; GROOM, R. C.; BUCHANAN, S. A.; MORTON, J. R.; ROSS, C. S.; O.CONNOR, G. T. Embolic Activity Subsequent to Injection of the Internal Mammary Artery with Papaverine Hydrochloride. The Heart Surgery Forum, v. 8, n. 6, p. E434-E436, 27 Oct. 2005.