Levosimendan treatment for acutely decompensated heart failure is as effective for Chagas disease patients as for patients with other etiologies - Barretto, Antonio Carlos Pereira; Rassi, Salvador; Vilas-Boas, Fabio; Ribeiro, Jorge P.; Albuquerque, Denilson C.; Lage, Silvia Helena Gelas; Baima, Jader (Journal of Cardiac Failure, 2003)