@misc{misc09585245,
title   = {A cutoff point of peak oxygen consumption in the prognosis of heart failure patients with beta-blocker therapy. [Carta]},
author = {Guimaraes, Guilherme V and D'Avila, Veridiana M and Silva, Mario S and Ferreira, Silvia A and Ciolac, Emmanuel G and Carvalho, Vitor O and Bocchi, Edimar Alcides},
year = {2010},
journal   = {International Journal of Cardiology}
}