Myocardial delayed enhancement by magnetic resonance imaging in patients with Chagas'disease: a marker of disease severity - Rochitte, Carlos E.; Oliveira, Paulo F.; Andrade, Joalbo M.; Ianni, Bárbara M.; Parga, José R.; Ávila, Luiz F.; Kalil Filho, Roberto; Mady, Charles; Meneghetti, José C.; Lima, João A. C.; Ramires, José A. F. (Journal of the American College of Cardiology, 2005)