Absolute increase of the benefit for myocardial revascularization without extracorporal circulation in elderly patients - Iglezias, Jose Carlos Rossini; Oliveira Junior, Jose Lima; Lourenço Junior, Artur; Dallan, Luiz Alberto O.; Puig, Luiz; Stolf, Noedir A. G. (World Society of Cardio-Thoracic Surgeons, 2007)