SHEMIN, R. J.; SHAPIRA, O. M.; PAWAR, R. V.; BAO, Y.; SAYEED-SHAH, U.; LAZAR, H. L. U-Clip Anastomoses in Coronary Artery Bypass Grafting: Initial Clinical Experience. The Heart Surgery Forum, v. 6, n. 5, p. 362-365, 8 Feb. 2005.