A randomized comparative study of patients undergoing myocardial revascularization with or without cardiopulmonary bypass surgery: The MASS III Trial - Hueb, Whady; Lopes, Neuza H. M.; Gersh, Bernard J.; Castro, Cláudio C.; Paulitsch, Felipe S.; Oliveira, Sergio A.; Dallan, Luis A.; Hueb, Alexandre C.; Stolf, Noedir A.; Ramires, José A. F. (Trials, 2008)