Is the off-pump coronary artery bypass graft without aortic approach a better option in myocardial revascularization?: a comparative study - Jatene, Fábio Biscegli; Stolf, Noedir Antonio Groppo; Pêgo-Fernades, P. M.; Oliveira, Sergio de Almeida; Coelho, R. F.; Fontes, R. B. V.; Dallan, L. A. O.; Oliveira, J. L. (World Congress, 2001)