@article{article9784b9a4,
title   = {Ontario score and cardiac risk during waiting for elective coronary bypass grafting},
author = {Cesena, Fernando Henpin Yue and Favarato, Desiderio and César, Luiz Antonio Machado and Oliveira, Sergio Almeida de and Luz, Protasio Lemos da},
year = {2006},
doi = {10.1016/j.ijcard.2005.06.047},
journal   = {International Journal of Cardiology}
}